Let’s Count!
Combinatorial Tools
Binomial Coefficients and Pascal’s Triangle
Fibonacci Numbers
Combinatorial Probability
Integers, Divisors, and Primes
Graphs
Trees
Finding the Optimum
Matchings in Graphs
Combinatorics in Geometry
Euler’s Formula
Coloring Maps and Graphs
Finite Geometries, Codes, Latin Squares, and Other Pretty Creatures
A Glimpse of Complexity and Cryptography
Answers to Exercises