The Golden Ratio: The Story of PHI, the World's Most Astonishing Number
Innumeracy: Mathematical Illiteracy and Its Consequences
The Nothing that Is: A Natural History of Zero
An Imaginary Tale: The Story of [the square root of minus one]
Number: The Language of Science
Number: The Language of Science, The Masterpiece Science Edition
How Not to Be Wrong: The Power of Mathematical Thinking
e: The Story of a Number
A History of Pi
"e:" The Story of a Number (Princeton Science Library)