| title | ISBN-13 | year of publication |
|---|---|---|
| Dinosaurs | 978-0-375-80296-6 | 2000 |
| Knights And Castles | 978-0-375-80297-3 | 2000 |
| Magic Tree House Research Guide #4: Pirates: A Companion to Pirates Past Noon | 978-0-375-90299-4 | 2001 |
| Magic Tree House Research Guide #6: Space: A Nonfiction Companion to Midnight on the Moon | 978-0-375-81356-6 | 2002 |
| Magic Tree House Research Guide #8: Twisters and Other Terrible Storms | 978-0-375-91358-7 | 2003 |
| Mummies & Pyramids | 978-0-375-80298-0 | 2001 |
| Pirates | 978-0-375-80299-7 | 2001 |
| Rain Forests | 978-0-375-81355-9 | 2001 |
| Titanic: A Nonfiction Companion to Tonight on the Titanic | 978-0-375-81357-3 | 2002 |
| Twisters and Other Terrible Storms | 978-0-375-81358-0 | 2003 |