An OG user on LF decided to buy the latest Linux bundle, Humble, and then release it for free.

You can read more about it as well as get the bundle here:

I copied this directly from thread:
Book list:
Automate the Boring Stuff with Python
The Art of Debugging with GDB, DDD, and Eclipse
The Artist's Guide to GIMP
Perl One-Liners
The Book of GNS3