D. G. Wells Related books Hidden Connections, Double Meanings: A Mathematical Exploration Cambridge Univ Pr • 1988 Recreations in Logic Dover Pubns • 1979 The Penguin Book of Curious and Interesting Mathematics (Penguin Mathematics) Penguin Group USA • 1997 You Are a Mathematician: A Wise and Witty Introduction to the Joy of Numbers John Wiley & Sons Inc • 1997