Literature Circle Resources
http://fac-staff.seattleu.edu/kschlnoe/litcircles/
The literature circle resource center is designed to support teachers as they plan and use literature circles in their elementary and middle school classrooms.
Introducing Literature Circles
http://home.att.net/~teaching/litlessons.htm
http://www.literaturecircles.com
This site offers everything you need to get literature circles started in your classroom.
A large amount of resources are available to download.
Leveled Reading
http://www.tamu-commerce.edu/coe/shed/espinoza/s/ellis-b-rdlevl.html
440 titles sorted by reading level 1.0–8.9.
Researching
http://www.heinemann.com/shared/categories/130.asp
Offers ideas for conducting inquiry groups.