## Books by Number- The Number Devil

Coming in at 253 pages, this is the little book which is full of mathematical gold. Hans Magnus Enzensberger wrote The Number Devil in 1998. This was when I was 8, and in 4th grade. How did I miss this gem? I would have fallen down the mathematical rabbit hole even sooner. Disguised as a novel, the math in this book includes: Pascal's Triangle, Fibonacci Numbers, set theory, factorials, math 'tricks', and math history. It even has a brief excerpt of Russell's proof that 1+1 equals 2 (although