Write Great Code, Volume 2
Randall Hyde
Write Great Code, Volume 1
Realm of Racket: Learn to Program, One Game at a Time!
Matthias Felleisen & Conrad Barski M.D. & David Van Horn
Python Playground
Mahesh Venkitachalam
Learn You Some Erlang For Great Good!
Fred Hebert
Automate the Boring Stuff with Python: Practical Programming ...
Al Sweigart