"Imagine what a harmonious world it could be if every single person, both young and old shared a little of what he is good at doing."
-- Quincy Jones
by Mark Guzdial and Barbara Ericson, remixed by Jeffrey Elkner
Hands-on introductory computer programming using Python 3.
by Peter Wentworth, Jeffrey Elkner, Allen Downey, and Chris Meyers
An introductory computer science text book using Python.
by Tony R. Kuphaldt
A free series of textbooks on the subjects of electricity and electronics