Serving the Universe on a Paper Plate serves up a raft of hands-on activities using paper plates.
A Practical Guide to Astronomy manages to deal with the complicated science of astronomy with a simple and practical tone. Excellent resource for the beginner and experienced backyard astronomer.
Stars and Galaxies - A Hypertext Course covering astronomy beyond the solar system, by Richard McCray, Colorado University.
Nick Strobel's on line astronomy text book
Leichester University's online astronomy textbook
A Star is Born - illustrated tour of the life of a young star