Extras
PBS Kids www.pbskids.org with activities by program
Kids Read http://www.kidsreads.com/ includes a selection of book lists, author studies and puzzles
Scholastic Kids http://www.scholastic.com/kids/ includes book reviews, author studies, games and puzzles
http://www.primarygames.com/storybooks/bookshelf.htm has books for younger readers and activities across the curriculum at the larger site
Public Domain Books http://www.icdlbooks.org/