Ken Watanabe
Ken Watanabe has written at least 2 books. Their most popular book is Problem Solving 101: A Simple Book for Smart People with 14 saves with an average rating of 4.2⭐.
Problem Solving 101: A Simple Book for Smart People
ByKen Watanabe
2007 • 14 Readers • 111 pages • 4.2
Problem Solving 101
ByKen Watanabe
2010 • 128 pages