by Umesh P N
Number of pages: 84
The puzzles in this volume were discussed in a Malayalam blog for Mathematics teachers in Kerala. Many of these were solved by the readers of that blog. This volume attempts to provide detailed explanation how these can be solved mathematically.
Download or read it online for free here:
by W. S. Andrews - Open Court Publishing Company
The essays that appear in this book cover topics such as magic squares, magic cubes, the Franklin squares, magics and Pythagorean numbers, the theory of reversions, magic circles, spheres, and stars, and magic octahedroids, among other things.
Contents: Chess and mathematics; Connection puzzles; Grid determination puzzles; Logic puzzles; Magic squares; Mathematical games; Mathematical puzzles; Mechanical puzzles; Number placement; Paper folding; Polyforms; Publications; Tiling puzzles.
by Henry Ernest Dudeney - Nelson
430 brainteasers based on algebra, arithmetic, permutations, probability, plane figure dissection, properties of numbers, etc. Intriguing, witty, paradoxical productions of one of the world's foremost creators of puzzles. Full solutions.
by Lewis Carroll - Macmillan and Co.
This book combines fairly challenging math problems with Lewis Carol's wit and fantastic humor, which makes the book readable even without the mental challenge. The writer's intention was to embody in each Knot one or more mathematical questions.