Introduction to Probability (英文版)
Charles M. Grinstead & J. Laurie Snell

Contents
1. Discrete Probability Distributions
2. Continuous Probability Densities
3. Combinatorics
4. Conditional Probability
5. Distributions and Densities
6. Expected Value and Variance
7. Sums of Random Variables
8. Law of Large Numbers
9. Central Limit Theorem
10. Generating Functions
11. Markov Chains
12. Random Walks