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. http://www.alagaesia.com/

Arthur [ Kids ] - Online games and printable activities along with a look at the books about everyone's favorite aardvark. http://www.randomhouse.com/kids/arthur/

Avalon Web of Magic Clubhouse [ Kids ] - Girls will find stories, games and information about their favorite characters. This is also the official site of the band Be*Tween, associated with the book series. Includes an online shop. http://www.avalonclubhouse.com/

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. http://www.scholastic.com/captainunderpants/

Clifford The Big Red Dog [ Kids ] - Official site offers a virtual tour of Clifford's neighborhood, with different activities at each stop. http://www.scholastic.com/clifford/index.htm

Curious Cases, Inc. [ Kids ] - Information about the kids' series, along with related games and information. http://www.curiouscases.com/

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. http://www.scholastic.com/dearamerica/

Dr. Seuss's Seussville [ Kids ] - Includes interactive games, contests, and information on Seuss and his works. http://www.seussville.com/

Edgar & Ellen [ Kids ] - Official site. Includes book excerpts, interactive games, gallery, reviews and 'Rare Beast' maker. http://www.edgarandellen.com/

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. http://www.scholastic.com/goosebumps/index.htm

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. http://www.randomhouse.com/kids/junieb/

Little Critter [ Kids ] - Jokes, puzzles, games and stories from children author and illustrator, Mercer Mayer. http://www.littlecritter.com/

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. http://www.littlehousebooks.com/

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. http://www.randomhouse.com/kids/magictreehouse/

Mr. Milo [ Kids ] - Official site. Includes book list, activities, pictures, and bio of creator Mateo de Acosta. http://www.mrmilo.com

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. http://www.ourcanadiangirl.ca/

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. http://www.paddingtonbear.co.uk/

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. http://www.geocities.com/rmannor69/scg/

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. http://www.scholastic.com/magicschoolbus/home.htm

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. http://www.geocities.com/Paris/Lights/4859/index.html