Secret is at 6:36

Secrets are at 0:26, 2:38, 4:24 and 8:20

Secrets are at 5:00, 5:08 and 12:23

Secrets are at 1:49, 2:35, 3:01, 4:30, 5:45, 6:26, 6:30, 10:40, 11:46 and 12:49

Secrets are at 0:40, 3:32, 4:04 and 10:26

Secrets are at 0:44, 2:00, 2:00, 2:42, 3:29, 12:36 and 15:36

Secrets are at 1:00 and 5:04

Secrets are at 1:59, 3:15, 4:25, 5:59, 6:05, 9:59, 10:29, 10:55 and 13:47*

*The key code for this secret is random - There are three books in the library not on the shelves and the title of each book gives you a number for the combination

Secrets are at 0:29, 5:58 and 7:31