- America Online
- Blackbirch Press / Thomson-Gale
- Book-of-the-Month Club
- Discovery Channel
- Discovery Channel School
- Discovery Channel Online*
- Disney
- Field Publications
- Four-to-Fourteen (Online Development)*
- HarperCollins
- Hearst Books
- International Masters Publishing*
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|
- Jim Henson Productions
- McGraw-Hill
- National Geographic
- Primedia
- Random House*
- Rosen Publishing
- Rourke Publishing
- Scholastic/Grolier
- Simon & Schuster
- Time-Life Books
- World Almanac/Gareth Stevens*
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