Pierre Berloquin

100 Numerical Games Pierre Berloquin First Edition, First edition

Brief Description: Originally published: New York: Scribners Sons, 1976. Biographical Note: 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. Publisher Marketing: "Follow the hour hand and minute hand of a clock for 24 hours. How many times do they form a right angle?Timothy's house has several rooms, each of which has an even number of doors, including doors that lead outside. Is the number of outside doors even or odd?"Stimulating and delightful, this collection of puzzles features original and classic brainteasers. The author, a puzzle columnist for "Le Monde, " specially selected these mind-benders for the widest possible audience, ensuring that they're neither too hard for those without a math background nor too easy for the mathematically adept. All puzzles are clearly stated and accurately answered at the back of the book and they're great fun to consider, whether you crack them or not. Includes a Foreword by Martin Gardner."

Contributor Bio:  Gardner, Martin 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.