Author birthday sites:
http://school.discoveryeducation.com/schrockguide/authordate.html
http://www.kidsreads.com/authors/author-bdays.asp
http://www.authdir.net/
Children's Book Week
Canadian banned books week (feb?)
Twisted Fairy Tales
Books based on soltices's/Wicca/Wheel of the Year
Canadian-based challenge???
WWI
Musing Mondays at Should be Reading