$29.99
Description
This book contains a wide range of interesting puzzles that were part of the week-long Gedanken Institute for Problem Solving. Answers are included. It will provide numerous delightful intellectual challenges that can be worked on individually or as a team. For the inquisitive family interested in developing talent, it can provide hours of intense thought. Coauthored with Joseph Luchsinger. Here is a sample problem from the book.




