100 Geometric Games

Pierre Berloquin

Jun 2015 · Courier Dover Publications

About this ebook

There are three loops in a tangle of rope. How many are independent, and how many are interlocked?
Two knights stand on a chessboard. How many other knights must you add so that each square is occupied or threatened by a knight?
Among six seemingly identical drawings of mandalas, each rotated by multiples of 60 degrees, one is different. Which is it, and why?
Challenge yourself with these mind-benders, brainteasers, and puzzles. Each of them has been carefully selected so that none will be too tough for anyone without a math background ― but they're not too easy. Some are original, and all are clearly and accurately answered at the back of the book.

Ratings and reviews

it wasn't all that fun.

About the author

Pierre Berloquin is a French operations research engineer, writer, and game designer who has written more than 40 books in the area of recreational mathematics. For twenty-five years, Martin Gardner wrote 'Mathematical Games and Recreations', a monthly column for Scientific American magazine. These columns have inspired hundreds of thousands of readers to delve more deeply into the large world of mathematics. He also made significant contributions to magic, philosophy, debunking pseudoscience, and children's literature. He produced more than 60 books, including many best sellers, most of which are still in print, and wrote a regular column for the Skeptical Inquirer magazine from 1983 to 2002. His Annotated Alice has sold more than a million copies.