Individual author sites:

• Avi

• Jan Brett

• Beverly Cleary

• Andrew Clements

•  Sharon Creech

•  Christopher Paul Curtis

•  Kate Dicamillo

•  Tony DiTerlizzi

•  Jack Gantos

•  Erin Hunter

•  Brian Jacques

•  Gordon Korman

•  Lois Lowry

•  Mary Pope Osborne

•  Gary Paulson

•   Dav Pilkey

•  Jack Prelutsky  

•   J. K. Rowling

•  Jordan Sonnenblick

•   R.L. Stine

•  Scott Westerfield

•   Jane Yolen

Author Megasites (links to multiple authors):

• The Children's Book Council list of authors   

• Children's Literature Web Guide: Children's Authors and Illustrators

•  KidsClick! Individual Authors