It contains over 200 combinatorics problems with detailed solutions.
This book is good preparation for more advanced combinatorics texts such as Lovasz's Combinatorial Problems and Exercises. Each group of problems begins with the easiest ones that anyone can solve and progresses to greater difficulty.. The book begins with the basics of what is needed to solve combinatorics problems, including: definitions, a guide (or classification system) for solving problems based on the twelvefold way, as well as an overview of combinatorics.