These lecture notes on the Rubik’s cube were written in the 1990s, so they are a bit out of date. For a more updated reference, see AGT2 (plus the errata for AGT2).

1. Introduction (including references)
2. Sets and logic
3. Functions on sets
4. Permutations
5. Permutation puzzles
6. Groups, I
7. Orbits, actions and cosets
8. Groups,II
9. Structure of the cube group