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Oakley, Graham
Unofficial fan site of the English author/illustrator. Contains biography, bibliography, awards, and books in print.
http://www.alia.org.au/~kwatson/oakley/oakley.html

Olsen, Carol
(Official site) Author of Left-Over Louie, Slime and Camp Write-Away. Includes biography, school visits information, and sample pages of her work.
http://www.gigharborpress.com/

Orchard, Christopher
(Official site) Writer of the "Adventures of Patricia and Annabelle" series. Contains information on author and the books.
http://www.christopherorchard.com/

Orr, Wendy
(Official site) Features the Canadian/Australian author's biography, interview, book information, and resources for teachers and students.
http://www.wendyorr.com/

Owens, Lisa L.
(Official site) Author's biography, reviews, news, and descriptions of her books for children and young adults.
http://www.llowens.com