More joy of mathematics : exploring mathematics all around you
by Theoni Pappas
1st ed.. Wide World Pub., c1991
Book
Math hysteria : fun and games with mathematics
Ian Stewart
Oxford University Press, 2004
Book
How to cut a cake : and other mathematical conundrums
Ian Stewart
Oxford University Press, 2006
Book
Solving mathematical problems : a personal perspective
Terence Tao
Oxford University Press, 2006
Book