Although we seldom think of it, our lives are played out in a world of numbers. Such common activities as throwing baseballs, skipping rope, growing flowers, pl

Although we seldom think of it, our lives are played out in a world of numbers. Such common activities as throwing baseballs, skipping rope, growing flowers, pl

Paperback ressiue, for the Princeton Puzzler's Series, 2013.

Paperback reissue 2012; original copyright 1999.