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17 Essential Books for Aspiring Consultants: Must-Reads for Job Offers

Must-reads for consultants

For recent graduates considering a career in the consulting industry, it is crucial to first acquire a systematic understanding of the industry's fundamentals and develop the skills necessary for solving business challenges and formulating strategies. This article presents a selection of 17 books, divided into practical and theoretical works, which are essential for acquiring the diverse skills required of a consultant, including logical thinking, data analysis, and communication abilities. These books are accessible for beginners and offer practical content relevant to actual business scenarios. They serve as valuable resources for understanding the allure and importance of the consulting industry and starting a career in this field.


If you read these 17 books according to the usage guide provided below, the probability of receiving offers from all consulting firms, including strategic consulting firms, will significantly increase. I strongly encourage you to check it out.



Practical Must-Reads for Aspirating Consultants (Fundamental Level)



Author:  東大ケーススタディ研究会

Publisher: Toyo Keizai Inc.


Overview: These books provide frameworks for case problems and Fermi estimations used by students at the University of Tokyo, explained through specific case studies. They offer a systematic learning process for problem-solving and are particularly good at fostering logical thinking skills, making them suitable for beginners familiarizing themselves with case problem formats and Fermi estimation.


These books are also effective for interview preparation in the consulting industry, as they teach efficient methods for solving specific problems encountered in interviews and business cases.


Usage: These should be the first books you read when considering a career in consulting. It is recommended to read through these books twice and solve the example problems. However, as these are very basic, it's advisable to move on to more advanced books after two readings.




Authors: Hanako Teruya, Keiko Okada

Publisher: Toyo Keizai Inc.


Overview: This book introduces practical methods for enhancing logical thinking and effective communication. It utilizes principles such as MECE (Mutually Exclusive, Collectively Exhaustive) and the questioning framework of "So what? Why so?" to organize information and highlight key points.

For a consultant, the ability to organize information and communicate it precisely is essential. The MECE principle learned from this book is a technique for organizing information in an exclusive and comprehensive manner, which is highly valued during interviews and project proposals. Additionally, the "So what? Why so?" questioning technique helps clarify the rationale behind proposals, effectively communicating their value to clients or interviewers.


Usage: Along with the previously mentioned "東大生が書いた 問題を解く力を鍛える" series, this book is foundational for prospective consultants and should be read at least twice.




Author: Barbara Minto

Publisher: Diamond Inc.


Overview: This book extensively details the Pyramid Principle, an extremely effective tool for communication and document preparation. By reading this book, you will learn clear and persuasive writing and thinking skills, which are invaluable in business presentations and report writing.


The Pyramid Principle is essential for structuring information and presenting it convincingly, making it highly useful in consulting interviews, presentations, and even daily tasks.


Usage: It contains the essential points for how to communicate in an interview, so if possible, I would like you to read through it at least twice before tackling case interviews. This is a great book that systematically teaches the fundamental skills of a working professional: 'thinking and writing,' and it will be extremely useful not only for interviews in the consulting industry but also for writing in entry sheets and interviews in other industries.




Author: Mark Cosentino

Publisher: Diamond Inc.


Overview: This book is tailored specifically for the consulting industry's recruitment exams, focusing particularly on case interviews. It introduces numerous practical case studies and mock interview examples, allowing readers to learn practical techniques. The book also provides detailed explanations of what strategic consulting firms are looking for in candidates and the trends in interview questions.


Case interviews are central to the selection process in consulting firms. During these interviews, candidates are tested on their ability to identify, analyze, and present solutions to unknown business challenges. This book offers a thorough preparation by providing numerous case studies and mock interviews through which you can develop essential skills such as problem identification, logical structuring, data analysis, and presentation abilities.


Usage: This book contains examples and interview scenarios that are directly applicable to actual case interviews.


Content Overview: The content of this book expands on the frameworks introduced in "東大生が書いた 問題を解く力を鍛える" series, presenting more challenging material. Therefore, it is recommended that readers first complete two cycles of reading and solving examples from "東大生が書いた 問題を解く力を鍛える" and "ロジカルシンキング" to establish a solid foundation. After these initial steps, it is advisable to focus extensively on solving the examples provided in this book. At minimum, going through this process three times is recommended to ensure a thorough grasp of the concepts.




Author: Mark Cosentino

Publisher: Burgee Press


Overview: This book is specifically tailored for case interview preparation. The author, Marc Cosentino, has extensive experience as a career advisor at Harvard University and provides detailed explanations of approaches that are beneficial for actual interviews. The book covers a wide range of case studies, including market sizing, cost reduction, and new business launch, addressing various business challenges. It also includes fundamentals of Fermi estimations and data analysis, offering a structured learning experience for problem-solving skills.


Usage: The book features examples and interview scenarios that are directly applicable to real case interviews. After establishing a foundation with "東大生が書いた 問題を解く力を鍛える" and "ロジカルシンキング," it is recommended to focus intensively on solving the examples in this book. Incorporating practice in a mock interview format can enhance interactive problem-solving abilities.




Author: Yuichi Ishino

Publisher: Kobunsha


Overview: This book concisely explains the basics to advanced topics in finance, providing financial knowledge essential for managers and consultants. A deep understanding of the economy supports decision-making, and the knowledge gained from this book can be applied to business model analysis, investment evaluation, and risk management, proving useful in interviews as well.


Usage: It is advisable to thoroughly read this book, preferably in preparation for case interviews, as a solid understanding of finance is indispensable in business discussions. At least two readings are recommended to grasp fundamental financial concepts.




Practical Books (Advanced Level)



Author: Kazunari Uchida

Publisher: Toyo Keizai Inc.


Overview: This book introduces the BCG (Boston Consulting Group) approach to hypothesis-driven problem-solving. It details how to form hypotheses, test them, and delve into the essence of problems.


In consulting interviews, efficiently approaching business cases and logically deriving solutions are crucial skills. The hypothesis thinking approach learned from this book is particularly effective in such scenarios, aiding in successful interviews. Moreover, a quick and accurate problem-solving approach is essential for efficiently managing projects in practice.




Author: Kazunari Uchida

Publisher: Toyo Keizai Inc.


Overview: This book focuses on what is arguably the most critical step in problem-solving: 'problem definition.' It introduces the Boston Consulting Group's approach to issue-based thinking. By accurately setting problems and clarifying the issues, the book details methods to efficiently derive solutions.


In consulting interviews, the ability to precisely define a problem and identify the issues for resolution is essential. The issue-based thinking approach taught in this book is effective for properly tackling complex problems and developing solutions that meet client needs. Moreover, in practical business scenarios, the quality of problem definition can determine the success or failure of a project, making issue-based thinking an indispensable skill.




Author: Kazuhito Ataka

Publisher: Eiji Press


Overview: This book emphasizes the importance of clearly defining "issues" in the problem-solving process and focusing on essential challenges that need resolution. The author provides a methodology for navigating through vast information without distraction, identifying the most valuable questions, and simplifying their solutions.


In the world of consulting, the ability to organize extensive information and pinpoint the essential challenges faced by clients is indispensable. The 'issue thinking' approach learned from this book serves as a framework for delving into the core of problems, aiding consultants in leading projects to success. During interviews, demonstrating this logical and focused thought process effectively showcases problem-solving capabilities.


Usage: After completing the basic "東大生が書いた 問題を解く力を鍛えるケース問題ノート" series and "ロジカルシンキング," it is recommended to read this book alongside "戦略コンサルティング・ファームの面接試験 新版 難関突破のための傾向と対策."


In practice, the standard procedure is to set the issues first and then formulate hypotheses; however, the suggested reading order is the opposite. First, understand what it means to solve problems quickly and the appropriate granularity for hypotheses through studying hypothesis thinking, then move on to issue-based thinking to comprehend the significance of setting the right questions. Finally, reading "イシューからはじめよ" will help you understand how to apply the acquired knowledge in practical situations.




Authors: Shinichi Tanaka, Takumi Yasuda

Publisher: Diamond Inc.


Overview: This textbook covers theories and practical methods related to corporate capital structure, risk management, and financing, providing a comprehensive explanation from foundational concepts of corporate finance to complex financial strategies that modern companies face. The content effectively bridges theory and practice through practical examples.


In consulting interviews and real-world operations, the skill to logically devise financial strategies and enhance corporate value is emphasized. The corporate finance knowledge acquired from this book is applicable in corporate management, investment banking, and even startup fundraising strategies, enhancing professional skills. Furthermore, it serves as a foundation for building finance strategies to achieve sustainable corporate growth.


Usage: This book is indispensable for acquiring finance-related knowledge. After thoroughly understanding the basic financial concepts from "ざっくり分かるファイナンス 経営センスを磨くための財務," reading this book will equip you with business-level financial expertise. Despite its volume, it is recommended to read it at least twice.



Theoretical Books


The books listed below are classics, containing theories related to management. They are foundational books that consultants should understand, but by thoroughly reading these while still a student, you will be able to perform well in terms of knowledge and thinking, not only in interviews but also during internships. Therefore, students who are serious about receiving offers from consulting firms should definitely study them thoroughly.




Author: Jay B. Barney

Publisher: Diamond Inc.


Overview: This book provides a framework for understanding corporate competitive advantage theoretically. It extensively details the VRIO framework—evaluating a company's resources and capabilities based on 'Value,' 'Rarity,' 'Imitability,' and 'Organization'—and illustrates how internal resources can generate and sustain competitive advantages.


The theories learned from this book enable deep understanding not only of adapting to external environments but also of strategically utilizing internal resources to build and maintain competitive advantages. Additionally, it touches on dynamic elements in management strategy, providing long-term insights for corporate success.


In consulting practice, analyzing and enhancing a client's competitive advantages using the VRIO framework is essential, making it a significant theoretical foundation for consultants. This framework allows consultants to evaluate the value and inimitability of a client's resources, offering practical advice for building sustainable competitive advantages.




Author: Kenichi Ohmae

Publisher: President Inc.


Overview: Based on real-world experience, this book concretely explains the essence of strategic thinking, detailing the process from strategy formulation to execution, incorporating real business scenarios.


The specific theories of strategic planning and execution gained from this book provide deep insights into complex challenges faced in the consulting field. During interviews, explaining these concrete approaches can also help demonstrate practical consulting skills.




Author: Michael Porter

Publisher: Diamond Inc.


Overview: This classic work in the field of management strategy provides a fundamental framework for companies to secure competitive advantages in the market. Porter advocates three basic strategies—cost leadership, differentiation, and focus—which remain effective in today's business scene. Additionally, the 'Five Forces Analysis' introduced in the book is a powerful tool for analyzing the competitive structure of industries, helping companies strategize based on internal and external factors.


Porter's competitive strategy theory is also crucial in consulting work, guiding client companies to strengthen their market positions and achieve sustainable growth. For students, understanding these theoretical frameworks can demonstrate superior strategic insight during internships and interviews.




Author: Hermann Simon

Publisher: Diamond Inc.


Overview: This book systematically teaches the theory and practice of pricing, a crucial factor directly linked to corporate profits. Known as the 'Pricing Genius,' the author extensively details how to build pricing strategies and execute them, helping companies secure competitive advantages in the market. The importance of pricing strategies based on customer value perception and practical approaches for devising appropriate strategies are also introduced from a behavioral economics perspective.


For consultants, revising and optimizing a client company's pricing strategy is part of the job, and this book provides the foundational knowledge for it. During internships or interviews, demonstrating knowledge of pricing settings can also effectively showcase a deep understanding of corporate profits.




Author: Peter Drucker

Publisher: HarperBusiness


Overview: This seminal work covers the fundamentals of management theory, having a significant impact on contemporary management theories. The book theoretically explains the roles that managers play and how organizations can succeed, detailing the approaches to achieving organizational goals. Drucker's theories provide essential perspectives on the optimal use of managerial resources, decision-making processes, leadership, and organizational culture formation, all of which are indispensable in today's business environment.


Understanding Drucker's management theories early on can deepen insights into corporate decision-making processes and organizational management, providing a significant theoretical foundation for practical consulting work.




Authors: Philip Kotler, Kevin Lane Keller

Publisher: Maruzen Publishing


Overview: This book encompasses the basic theories in the field of marketing, especially providing frameworks that management consultants should know. Philip Kotler and Kevin Lane Keller discuss marketing strategy formulation, consumer behavior analysis, brand management, pricing strategy, and promotional strategy, among other crucial elements in contemporary marketing. Understanding marketing theories enables strategic proposals that contribute to client companies' market share expansion and brand value enhancement.


Especially for consultants, integrating marketing strategies into overall corporate growth strategies is extremely important. During internships or interviews, leveraging the knowledge from this book can earn high evaluations.



Next Steps


Things to Try After Reading 

After reading the books introduced in this section, it is highly recommended to practice and simulate actual business cases with friends or peers aiming for or already employed in consulting, possibly through Jelper Club. This will deepen the understanding of the theories learned and develop practical skills. Participating in an internship and engaging in real projects can also provide further practical experience.


Mindset to Have Before Entering the Consulting Industry

To succeed as a consultant, it is essential to continue learning and maintain flexibility. It is advisable to prepare for entering the industry by arming yourself with knowledge gained through reading.



Conclusion


The consulting industry offers opportunities to foster corporate growth and lead business innovation. A career in this field demands a variety of advanced skills, including logical thinking, data analysis, problem-solving abilities, and effective communication with clients. The 17 books introduced in this article provide valuable insights for acquiring these skills progressively. By using these books to solidly learn the basics and then enhancing your application skills, you can confidently develop the competence and confidence needed as a consultant.


After completing the books, actively sharing your learned knowledge and thoughts on 'Feed' will further deepen your understanding. Additionally, exchanging opinions with other members of Jelper Club can provide insights unattainable on your own. With many active consultants registered as members, it is also possible to receive feedback from them.


Jelper Club will continue to actively provide information useful for job hunting and career development in various industries, including the consulting industry. If you have questions about the consulting industry or other fields of interest, posting on 'Feed' is strongly recommended.


At Jelper Club, we're here to support you every step of the way for your career development in Japan. Our platform connects ambitious students from top universities worldwide with exclusive internship and full-time job opportunities in Japan with a variety of Japanese proficiency requirements. We also provide access to practical information, member-only events, and a professional community of like-minded individuals.

 

If you're ready to embark on your own Japanese adventure, visit Jelper Club today and discover how we can help you unlock your potential in Japan.





(Editor: Jelper Club Editorial Team)

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