by HaroldGale (Author), Carolyn Skitt (Author)
Pit your wits against the number crunchers at Mensa who have devised this dastardly collection of mind-numbing number puzzles. There are logic problems, mathematical puzzles, matrix problems, series puzzles and many many more!
Format: Paperback
Pages: 128
Publisher: Carlton Books Ltd
Published: 01 Jun 1997
ISBN 10: 1858683157
ISBN 13: 9781858683157