Record of a Spaceborn Few
Becky Chambers
A Layered Grammar of Graphics
Hadley Wickham
The Definitive Guide to Drupal 7
Benjamin Melançon, Jacine Luisi, Károly Négyesi, Greg Anderson, ... & Forest Mars & contributions from George Cassie, Mike Ryan, Nathaniel Catchpole & Dmitri Gaskin
Jingo
Pratchett, Terry
Discworld (21)
Open Data Structures (in pseudocode)
Pat Morin
Open Data Structures (in C++)
Open Data Structures (in Java)