Euler Book Prize

Things to Make and Do in the Fourth Dimension
Prime Obsession
The Honors Class
King of Infinite Space: Donald Coxeter, the Man Who Saved Geometry
Euler's Gem
The Princeton companion to mathematics
Crocheting Adventures with Hyperbolic Planes
Magical Mathematics
The Joy of x
Love and math : the heart of hidden reality
How Not to Be Wrong: The Power of Mathematical Thinking
In Pursuit of the Unknown