Points and lines: an introduction to graph theory and polytopes
Course for last year highschool students, more info at Vetenskapens hus website
Relevant references:
- "A walk through combinatorics" by Miklos Bona
- "An invitation to discrete mathematics" by Matousek, J. and Nesteril, J.
- "How to guard an art gallery and other discrete mathematical adventures" by T.S. Michael.