Humble Bundle - Coder's Bookshelf

[biltong]

No idea if these are any good, but the deal runs for another 14 days and it's a bargain if the advertised original price is to be believed:

Humble Bundle - Coder's Bookshelf

[galactus]

I have bought this bundle, and I can vouch for the awesomeness of some of these texts. I got the $15 level, mostly because I am not a systems dev and don't have need for the LPI. Doing Math with Python is especially cool.