The Nightmare Room 
Official site for R.L. Stine's series includes online story, book summaries, contests, screensaver, and interactive adventure. Requires Shockwave.
http://www.thenightmareroom.com/Trailblazer Books 
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.
http://trailblazerbooks.com/
Scholastic's The Magic School Bus 
Official site features games, art contests, card factory, sneak peaks at new books, and answers to frequently asked questions.
http://www.scholastic.com/magicschoolbus/home.htm
The Official Berenstain Bears Website 
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.
http://www.berenstainbears.com/
Clifford The Big Red Dog 
Official site offers a virtual tour of Clifford's neighborhood, with different activities at each stop.
http://www.scholastic.com/clifford/index.htm
Goosebumps 
Scholastic's site for the popular book and TV series. Each of the goblins and ghouls from the series host their own scary section.
http://www.scholastic.com/goosebumps/index.htm
Little House 
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.
http://www.littlehousebooks.com/
Little Critter 
Jokes, puzzles, games and stories from children author and illustrator, Mercer Mayer.
http://www.littlecritter.com/
Our Canadian Girl 
Introduces the historical fiction series and its characters. Also includes contests, e-cards, activities, sample chapters, fan club, and resources for teachers.
http://www.ourcanadiangirl.ca/
Paddington Bear 
Official site tells about the loveable bear, his books, and his TV show. Also includes game, puzzle, coloring page, downloadable screensaver and e-cards.
http://www.paddingtonbear.co.uk/
Junie B. Jones 
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.
http://www.randomhouse.com/kids/junieb/
Magic Tree House 
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.
http://www.randomhouse.com/kids/magictreehouse/
Arthur 
Online games and printable activities along with a look at the books about everyone's favorite aardvark.
http://www.randomhouse.com/kids/arthur/
Thomas the Tank Engine 
Official site includes a look at the books, introduction to the authors, and printable activities.
http://www.randomhouse.com/kids/thomas/
Dear America 
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.
http://www.scholastic.com/dearamerica/
Captain Underpants 
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.
http://www.scholastic.com/captainunderpants/
Curious Cases, Inc. 
Information about the kids' series, along with related games and information.
http://www.curiouscases.com/
Edgar & Ellen 
Official site. Includes book excerpts, interactive games, gallery, reviews and "Rare Beast" maker.
http://www.edgarandellen.com/
The Fairy Houses Series 
Learn how to build a fairy house out of natural materials, color a picture, and see how other children have created fairy communities.
http://www.fairyhouses.com/fairy_houses_series.htm
Dr. Seuss's Seussville 
Includes interactive games, contests, and information on Seuss and his works.
http://www.seussville.com/
Alagaesia 
Official site. Offers updates on the Inheritance trilogy, by Christopher Paolini. Includes notes from the author, information about the land Alagaesia, and free newsletter.
http://www.alagaesia.com/
Rick's Sugar Creek Gang Site 
Fan site tells about the classic series by Paul Hutchens. Includes a look at the gang, the books, the creek, and the author.
http://www.geocities.com/rmannor69/scg/
Swallowcliffe Hall 
Author's site includes extracts from the stories, background information, photographs of Victorian times, crafts, and games.
http://www.swallowcliffehall.com
Marvin Monster 
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.
http://www.marvinmonster.com/
Butterfly Kizzes 
Tamora Pierce fan site with fanfiction, chat room and message board.
http://www.freewebs.com/butterfly_kizzes/
Swashbuckler 
Contains information on the Swashbuckler trilogy, and real pirates, nautical and Mediterranean history, and women at sea in the age of sail.
http://www.swashbuckler.co.nz/
Mr. Milo 
Official site. Includes book list, activities, pictures, and bio of creator Mateo de Acosta.
http://www.mrmilo.com