Discover Twenty One Co., Ltd.
Recommended for new members of society! 200,000 copies of the series “What to learn in the first year of consulting”, a new standard book for business people
Discover Twenty One Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; President: Naomi Taniguchi) reprinted “What you learn in the first year of consulting” (written by Tetsuyuki Oishi), and the series exceeded 200,000 copies. .
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A new classic bestseller for business people, the series exceeded 200,000 copies
Since its release in 2014, the long and best-selling “What to learn in the first year of consulting” has been selling for nearly 10 years. Here are 30 essential “business basics” skills that I learned during my time as a consultant and still practice.
Packed with the universal skills of a business person, this book is especially recommended for new employees, students and young working adults aspiring to work in the consulting industry. We have also received feedback from superiors who have subordinates, saying, “I wish I had read this book when I was a new employee,” and “I want to use this book as a reference when teaching.”
This time, we have reprinted “What to learn in the first year of consulting”, and this has exceeded 200,000 copies in the series. Along with this, we will start shipping with a new belt.
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-Reader’s voice- * Excerpt from the customer’s voice received by our company ◆While working as a member of society from now on, I was able to learn the basics in a straightforward manner. It was good for the future that recommended books etc. were posted so that I could dig deeper into the content I was interested in. (Male in his 20s)
◆I have read various business books, but the content is like a collection of them, and I thought it would be a good introduction to business books.
In meetings and commitments, there were cases where I didn’t know how to convey to my subordinates even though I took it for granted, so I would like to use this book as a reference for guidance. (Male in his 30s)
◆To be honest, there were things I knew, but it was a book that I wished I had come across in my first year as a working adult. It was easy to imagine with specific examples, and I was able to learn a lot of things that were easy to incorporate. It’s easy to read and practical, so I would definitely recommend it to others. (Female in her 40s)
About the “What to learn in the first year of consulting” series [Image 3

Newcomers, seniors, and veterans… A new standard for business people that all generations want to keep!
Business consultants are thoroughly trained in the basics of business from their first year on the job. There are also many people who are active in various industries after working as consultants.
In “What to learn in the first year of consulting”, we interviewed people who went independent after working for a first-class consulting company and are active in various industries, and introduced the essential skills they learned during their consulting days and still practice. I will continue.
The 30 carefully selected skills are universal work techniques that have been practiced for 15 or 20 years by experienced consultants. This book is sure to be useful not only for consultants, but also for first-year working people in various industries to veterans. Based on this book, we have also released “Illustrated Consulting First Year Learning”, which summarizes 50 universal skills that will be useful throughout your life from the basics of the first year of working life. If you want to learn systematically in an
easy-to-understand manner with illustrations, we recommend the illustrated version.
[Author information]
Tetsuyuki Oishi
Born in 1975. After graduating from Keio University Faculty of Environment and Information Studies, worked at Andersen Consulting (now Accenture). Engaged in business strategy planning, M&A, business reform projects, etc. as a consultant in the strategy department. After that, he worked as an Internet startup, a consultant, and a founding partner of an executive search firm. His publications include “Things to Learn in the First Year of Consulting” (Discover Twenty One), “Basics of Logical Thinking in 3 Minutes”, “Basics of Problem Solving in 3 Minutes” (Nippon Jitsugyo Publishing), “Past Questions” More than 20 books, including “Jigashikatsu” (Toyo Keizai Inc.) and “Consultant’s Reading Skills” (tyk publishing).
[Book information]
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Title: “What you learn in the first year of consulting”
Release date: July 30, 2014
Publisher: Discover Twenty One
Specifications: 46 size / 281 pages
ISBN: 978-4-7993-1532-3
List price: 1650 yen (tax included)
[Click here to purchase this book]
Amazon https://amzn.to/3pCKnSE
Rakuten https://books.rakuten.co.jp/rb/12862174/
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Title: “Illustrated first year consulting lessons”
Release date: July 16, 2021
Publisher: Discover Twenty One
Specifications: 46 size / 224 pages
ISBN: 978-4-7993-2766-1
List price: 1540 yen (tax included)
[Click here to purchase this book]
Amazon https://amzn.to/3jl1UM4
Rakuten Books https://books.rakuten.co.jp/rb/16773591/
Details about this release:
https://prtimes.jp/main/html/rd/p/000001038.000018193.html