Math × Thinking = Roughly: How to Solve Problems Kaoru Takeuchi [Book]

Japanese Mathematics - How Many Problems Can You Solve? (Volume 2) Dan So [Book]

3-Move Mate Problems You Want to Solve in 5 Seconds Hideto Odagiri [Book]

Experimental Mathematics Reader 3: From Experiments You Want to Try to Ma [Book]

Everyday Life is Filled with Numbers: Mathematics That Makes You Want to [Book]

Elementary School Math: How to Solve Applied Problems Koichi Hashi [Book]

A Book to Read When You Want to Fundamentally Solve Labor-Management Troubles: O

Fundamentals of Analysis: From High School Mathematics to University Math [Book]