The Computer Science of TeX and LaTeX - Draft Lecture Notes
Victor Eijkhout
Grammatical Man: Information, Entropy, Language, and Life
Jeremy Campbell
Approaches and Methods in Language Teaching
Jack Croft Richards & Theodore S. Rodgers
The Nature of Evil
Daryl Koehn
Frédéric Chopin: A Life From Beginning to End
Hourly History
Basic Exercises for Competitive Programming: Python
Jan Pol