Series

Alagaesia :

[ Teens/Mature Teens ] - Official site. Offers updates on the Inheritance trilogy, by Christopher Paolini. Includes notes from the author, information about the land Alagaesia, and free newsletter.
Arthur :

[ Kids ] - Online games and printable activities along with a look at the books about everyone's favorite aardvark.
The Betsy-Tacy Homepage :

[ Kids/Teens/Mature Teens ] - Fan of the author's turn-of-the-century "Betsy-Tacy" series offers quotes from the books, a biography of Lovelace, trivia, and pictures.
Butterfly Kizzes :

[ Teens/Mature Teens ] - Tamora Pierce fan site with fanfiction, chat room and message board.
Captain Underpants :

[ Kids ] - Official site tells about the pint-size heroes of this series and offers fun activities and games related to the books. Also includes guide for grown-ups.
Clifford The Big Red Dog :

[ Kids ] - Official site offers a virtual tour of Clifford's neighborhood, with different activities at each stop.
Curious Cases, Inc. :

[ Kids ] - Information about the kids' series, along with related games and information.
Dear America :

[ Kids/Teens ] - Official site tells about the books and television series inspired by the diaries and letters from girls who lived in different periods in American history. Site includes book excerpts, craft ideas, historical postcards, and contests.
Dr. Seuss's Seussville :

[ Kids ] - Includes interactive games, contests, and information on Seuss and his works.
Edgar & Ellen :

[ Kids ] - Official site. Includes book excerpts, interactive games, gallery, reviews and "Rare Beast" maker.
The Fairy Houses Series :

[ Kids ] - Learn how to build a fairy house out of natural materials, color a picture, and see how other children have created fairy communities.
Goosebumps :

[ Kids/Teens ] - Scholastic's site for the popular book and TV series. Each of the goblins and ghouls from the series host their own scary section.
Junie B. Jones :

[ Kids ] - Official site introduces the character and the books in her series. Also includes printable coloring pages and activity sheets as well as a visit with the author.
Little Critter :

[ Kids ] - Jokes, puzzles, games and stories from children author and illustrator, Mercer Mayer.
Little House :

[ Kids/Teens ] - Official site introduces Laura's family and helps readers learn more about their own heritage. Also includes complete listing of books and introduction to the many generations of Little House authors.
Magic Tree House :

[ Kids ] - Official site tells about each book in this fictional series that takes readers around the world. Also features the authors' scrapbook, their answers to common questions, and a readers and writers' club.
Marvin Monster :

[ Kids/Teens/Mature Teens ] - The official site for the Marvin Monster early reader chapter book series. Includes fun worksheets, and interesting facts. Join Marvin and his friends for a terrifically horrific adventure.
Mr. Milo :

[ Kids ] - Official site. Includes book list, activities, pictures, and bio of creator Mateo de Acosta.
The Nightmare Room :

[ Kids/Teens ] - Official site for R.L. Stine's series includes online story, book summaries, contests, screensaver, and interactive adventure. Requires Shockwave.
The Official Berenstain Bears Website :

[ Kids ] - Includes book-related activities, video clips, and listing of all books. Also allows children to send e-mail to the Berenstain Bears and receive a reply.
Our Canadian Girl :

[ Kids/Teens ] - Introduces the historical fiction series and its characters. Also includes contests, e-cards, activities, sample chapters, fan club, and resources for teachers.
Paddington Bear :

[ Kids ] - Official site tells about the loveable bear, his books, and his TV show. Also includes game, puzzle, coloring page, downloadable screensaver and e-cards.
Rick's Sugar Creek Gang Site :

[ Kids/Teens ] - Fan site tells about the classic series by Paul Hutchens. Includes a look at the gang, the books, the creek, and the author.
Scholastic's The Magic School Bus :

[ Kids ] - Official site features games, art contests, card factory, sneak peaks at new books, and answers to frequently asked questions.
Swallowcliffe Hall :

[ Kids/Teens ] - Author's site includes extracts from the stories, background information, photographs of Victorian times, crafts, and games.
Swashbuckler :

[ Teens/Mature Teens ] - Contains information on the Swashbuckler trilogy, and real pirates, nautical and Mediterranean history, and women at sea in the age of sail.
Thomas the Tank Engine :

[ Kids ] - Official site includes a look at the books, introduction to the authors, and printable activities.
Trailblazer Books :

[ Kids/Teens ] - Introduces the action-packed historical fiction series by Dave and Neta Jackson which introduces young people to Christian heroes. Includes downloadable short stories and a look at new titles.