Mathematical Puzzles: and Other Brain Twisters

100 Man-made Problems — How to Make and Solve Them For centuries, puzzles have challenged the ingenuity, skill, intelligence, and patience of young and old alike. Today, they are still one of the favorite pastimes for those who find relaxation and entertainment in solving mechanical and manipulative puzzles. In this book, satisfaction is derived not only from solving the puzzles, but also from actually constructing them. Described and illustrated here are one hundred puzzles, including the following categories: • Shifting Block Puzzles • Straight Line Peg Puzzles • Circle Peg Puzzles • Checker Board Puzzles • Checker Board String Puzzles • Chinese Chess Board • String Puzzles • Glass Topped Box Puzzles • Six Piece Burr Puzzle • Wood Design Puzzles • Geometric Design Puzzles • Miscellaneous Puzzles This delightful little book is devoted to the making and solving of mechanical puzzles of all sorts, mostly of the mathematical or geometrical variety. The author illustrates each puzzle, showing how it can be constructed with simple materials and tools. Step by step, he leads the reader through each stage of making the puzzle, then he presents the problem and offers the solution. A total of 100 puzzles make up this fascinating book, enough to challenge the skill of young or old for many delightful hours. While the appeal is especially for young people, these puzzles are to entertain and baffle the young in heart as well.