Open Book Project
"The duty of helping one's self in the highest sense involves the helping of one's neighbors."
-- Samuel Smiles
by Jeffrey Elkner
et al.
An introductory computer science text book using Python.
by Tony R. Kuphaldt
A free series of textbooks on the subjects of electricity and electronics
by Allen B. Downey
et al.
An introductory computer science text book available in several programming
and natural languages.
