Biggest mover: Getting Real: The Smarter, Faster, Easier Way to Build a Successful Web Application by Jason Fried, David Heinemeier Hansson, Matthew Linderman #7, rising 64 places.
2001: A Space Odyssey by Arthur C. Clarke, Neil Gaiman was the top newcomer at #1. In total 55 books had their debut mentions.
Deep Questions with Cal Newport drove the most book chatter, with 23% of this months book mentions.