Agent
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- Houghton Mifflin Company
- DK Publishing
- Andrews McMeel Publishing, a division of Andrews McMeel Universal
- Kidhaven Press
- Dancing Cat Books
- PowerPlus Books
- Maple Tree Press
- Yearling Book
- Facts On File
- Random House
- Farrar, Straus, & Giroux
- Tangerine Press, an imprint of Scholastic Inc.
- Harcourt Children's Books
- RP Kids
- Time Inc. Books
- Norton Young Readers, an imprint of W. W. Norton & Company, Inc.
- DK Penguin Random House
- Arthur A. Levine Books/Scholastic Press
- Fawcett Columbine
- Laurel Leaf Books
- Farrar, Straus, and Giroux
- Meadowbrook Press
- Thomas Dunne Books, St. Martin's Griffin
- Scholastic Inc.
- Dell Laurel-Leaf Books
- Chicken House, Scholastic Inc.
- St. Martins Griffin
- Disney, Hyperion, an imprint of Disney Book Group
- Full Cast Audio
- Simon Pulse/Mercury Ink
- Dell Yearling
- Amulet Books, an imprint of Abrams
- David Fickling Books, Scholastic
- Roaring Brook Press
- Barnes & Noble Classics
- Balzer & Bray
- Scholastic Press
- TokyoPop
- Philomel Books/Walden Media
- Cartwheel Books, an imprint of Scholastic, Inc.
- Disney Hyperion Books
- Rosen Pub. Group, Inc.
- Little Brown & Co.
- Kingfisher
- Twenty-first Century Books
- Houghton Mifflin Books for Children/Houghton Mifflin Harcourt
- Gulliver Books/Harcourt
- Little, Brown and Co.
- Cherry Lake Publishing
- Yearling Books