Advanced Linux Programming
Codesourcery Llc & Mark L. Mitchell & Alex Samuel & Jeffrey Oldham
Witches Abroad
Pratchett, Terry
Discworld (12)
Music Theory for Musicians and Normal People
Toby W. Rush
Category Theory for Computing Science
Michael Barr, Charles Wells
The Imposter's Handbook
Rob Conery
Algorithms
Jeff Erickson
Open Data Structures (in C++)
Pat Morin
Open Data Structures (in Java)
Open Data Structures (in pseudocode)