This book has been graded for interest at 10-14 years.

There are 96 pages in this book. This book was published 2000 by Turtleback Books .

Paul Sloane studied engineering at Cambridge University and works in software marketing. His first lateral thinking book went on to become a best seller. He lives in Camberley, Surrey, UK. Des MacHale is Associate Professor of Mathematics at University College in Cork. He is the author of over 40 books. He lives in Cork, Ireland.