FYI,

There's another book bundle available with O'Reilly books that should be of interest to all:

https://www.humblebundle.com/books/hacks-book-bundle

Titles include:

Perl Hacks
BSD Hacks
Gaming Hacks
Kinect Hacks
Car PC Hacks
IRC Hacks
Raspberry Pi Hacks
HTML 5 hacks
SQL Hacks

Enjoy!

Richard Wilson