Every once in a while Humble Bundle has some amazing bundles for tech books. There is a great deal right now for No Starch Press titles:
- The Book of Inkscape: The Definitive Guide to the Free Graphics Editor
- The Book of GIMP: A Complete Guide to Nearly Everything
- The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall
- The GNU Make Book
- Blender Master Class: A Hands-On Guide to Modeling, Sculpting, Materials, and Rendering
- Doing Math with Python: Use Programming to Explore Algebra, Statistics, Calculus, and More!
- How Linux Works: What Every Superuser Should Know
- Wicked Cool Shell Scripts: 101 Scripts for Linux, OS X, and UNIX Systems
- Absolute OpenBSD: Unix for the Practical Paranoid
- Arduino Project Handbook Vol. 1: 25 Practical Projects to Get You Started
- Think Like a Programmer: An Introduction to Creative Problem Solving
This is an amazing bundle for only $15 USD. Definitely worth it.
Amazing HumbleBundle No Starch Deal