Library Centers: The Book Fairy-Goddess: Centers in the Library. Nice post about how one school librarian does centers in her library, giving the scoop on what worked, what didn't, and what she's planning for the new school year!
There are lots of great reading incentive program for kids! All of them are completely free and some of them are available all year long. Summer Reading Local Public Library Your local library is very likely to have a program for summer reading.
Hosting a Library Mystery: A Programming Guide - Books / Professional Development - Books for Academic Librarians - Books for Public Librarians - Books for School Librarians - Products for Young Adults - ALA Store