Introduction
Chapter 1: What Computers Think About Numbers
Chapter 2: Exploring Divisibility and Primes
Chapter 3: Splitting Numbers With Priem Factorization
Chapter 4: Finding Patterns in Sequences
Chapter 5: From Sequences to Arrays
Chapter 6: Making Codes, and Cracking Them Too
Chapter 7: Experiments in Counting
Chapter 8: Three Helpings of Pi
Chapter 9: What Next?
Appendix: Programming Challenge Hints