On Twitter dot com, I have been going through Galois Theory by Tom Leinster (PDF):
Chapter 1: 1.1, 1.2
Chapter 2: 2.1, 2.2
Chapter 3: 3.1, 3.2, 3.3
Chapter 4: 4.1, 4.2, 4.3a, 4.3b
Chapter 5: 5.1, 5.2, 5.3, skipped 5.4
Chapter 6: 6.1, 6.2, 6.3a, 6.3b
Chapter 7: 7.1a, 7.1b, 7.2, 7.3
Chapter 8: 8.1, 8.2, 8.3