Brain Stretching Logic Puzzles for Kids and Fun for the Whole Family The mind, once stretched by a new idea, never returns to its original dimensions. Ralph Waldo Emerson (1803 - 82) This book is a collection of challenging puzzles which are designed for smart kids of 12+ years, and for the whole family to participate. Indeed, solutions for many puzzles may well need a collaborative effort.The purpose is to stretch the mind by thinking through puzzles...