The Simple Book of Not-So-Simple Puzzles (Electronic book text)

This collection of more than one hundred original and highly sophisticated puzzles presents challenges that require creative, outside of the box thinking. Many different types of puzzles are included, such as word, number, logical, visual, spatial, dissection, dividing, dot-connecting, matchstick, coin, and more. Each aesthetically appealing puzzle is designed to improve problem solving skills; train geometric, combinatorial, and spatial imagination; bolster visual perception and logical reasoning; and foster the development of a perseverant and self-confident approach to challenges.