Mathematical Puzzles & Other Brain Twisters by Filipiak VTG 1966 HC 100 Problems

Mathematical Puzzles & Other Brain Twisters by Anthony S. Filipiak VTG 1966 Hardcover 100 Man Made Problems-How to Make and Solve Them BELL PUBLISHING COMPANY, Inc. a division of Crown Publishers, Inc. From inside cover: "...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 guaranteed to entertain and baffle the young in heart as." Yellowing and wear present on dust jacket, minimal yellowing on pages, see photos.