The Reasearch Guides are a collection of reference books written to take the reader into further depth on topics in the fiction books of the Magic Tree House series. The first eight books were written by Mary Pope Osborne and Will Osborne. The rest were written by Mary and Natalie Pope Boyce. They were all illustrated by Sal Murdocca.

Please note that they were renamed Fact Trackers check 'Fact Trackers to learn more!

List of Research Guides

  1. Dinosaurs
  2. Knights and Castles
  3. Mummies and Pyramids
  4. Pirates
  5. Rain Forests
  6. Space
  7. Titanic
  8. Twisters and Other Terrible Storms
  9. Dolphins and Sharks
  10. Ancient Greece and the Olympics
  11. American Revolution
  12. Sabertooths and the Ice Age
  13. Pilgrims
  14. Ancient Rome and Pompeii
  15. Tsunamis and Other Natural Disasters
  16. Polar Bears and the Arctic
  17. Sea Monsters
  18. Penguins and Antarctica
  19. Leonardo da Vinci
  20. Ghosts
  21. Auguste Bartholdi

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