# Combinatorics - Version 2.1

- By: Joy Morris
- Publisher: Joy Morris
- Source: [Open Textbook Library](https://open.umn.edu/opentextbooks/textbooks/combinatorics)
- Licence: Attribution-NonCommercial-ShareAlike
- PDF: https://www.cs.uleth.ca/~morris/Combinatorics/Combinatorics.pdf

Combinatorics is an upper-level introductory course in enumeration, graph theory, and design theory.