Paperback book for students who enjoy mathematical riddles. Written in a light and witty style, these Maths puzzles cover many topics like money, speed, games, geometry, probability and more. This book was first published in 1961 and has been reprinted many times since then! A proven success. Good for students who'd like to think out of the box when solving Maths riddles.
$5 by local Singapore post, registered Payment by TT to my POSB Savings account. If you want it to be sent by normal post, it's $4 but at your own risk. Once I see that the money has been received (after you inform me), I'll post the bubble-wrapped item to you 😃