Not focusing on either science and mathematics gives the elbow room to look at things that curricula don't cover. Some of the more than 75 puzzles in this wonderful book will be familiar friends, here presented in a lively fresh way for new readers. Many others will be new - there are hours of challenging fun to be had for anybody.
Not focusing on either science and mathematics gives the elbow room to look at things that curricula don't cover. Some of the more than 75 puzzles in ...
