- Series: Magic Tree House Fact Tracker / Magic Tree House Research Guides Series Record # 42207
- Sub-series of: Magic Tree House
- Magic Tree House Fact Tracker / Magic Tree House Research Guides
- Ancient Rome and Pompeii: A Nonfiction Companion to Magic Tree House #13: Vacation Under the Volcano (2006) [NF] by Natalie Pope Boyce and Mary Pope Osborne
- Magic Tricks from the Tree House: A Nonfiction Companion to Magic Tree House #50: Hurry Up, Houdini! (2013) [NF] [non-genre] by Natalie Pope Boyce and Mary Pope Osborne
- Dogsledding and Extreme Sports: A Nonfiction Companion to Magic Tree House #54: Balto of the Blue Dawn (2016) [NF] by Natalie Pope Boyce and Mary Pope Osborne
- Dragons and Mythical Creatures: A Nonfiction Companion to Magic Tree House #55: Night of the Ninth Dragon (2016) [NF] by Natalie Pope Boyce and Mary Pope Osborne