Ken Watanabe
Japanese management consultant and author best known for Problem Solving 101: A Simple Book for Smart People, originally written to teach critical thinking to students and later embraced by business audiences.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. Problem Solving 101
A Simple Book for Smart People
A concise, illustrated guide to thinking clearly and tackling everyday challenges, it teaches a step-by-step approach: define the problem, break it down, form hypotheses, test with data, and implement action plans. Using simple tools like logic trees, yes/no charts, and matrices through approachable real-life scenarios, it builds habits of structured thinking, creativity, and collaboration that anyone can use. Accessible and playful, it turns critical thinking into a practical, repeatable process for students and professionals alike.
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