- eBookThe Lost Roanoke ColonyMegan Cooley Peterson
- eBookScooby-Doo! A Science of Electricity MysteryMegan Cooley Peterson
- eBookScooby-Doo! A States of Matter MysteryChristian Cornia
- eBookThe Bell WitchMegan Cooley Peterson
- eBookHaunted Objects From Around the WorldMegan Cooley Peterson
- eBookScooby-Doo! A Science of Chemical Reactions MysteryMegan Cooley Peterson
- eBookScooby-Doo! A Science of Sound MysteryMegan Cooley Peterson
- eBookTyrannosaurus Rex and Its RelativesMegan Cooley Peterson
- eBookScooby-Doo! A Science of Light MysteryMegan Cooley Peterson
- eBookWonderful WormsMegan Cooley Peterson
- eBookUrban Legends Exposed!Megan Cooley Peterson
- eBookPhantom Soldiers and Other Gettysburg HauntingsMegan Cooley Peterson
- eBookStrange Sights in the White House and Other Hauntings in Washington, D.C.Megan Cooley Peterson
- eBookThe National Air and Space MuseumMegan Cooley Peterson
- eBookThomas Edison and the Invention of the Light BulbMegan Cooley Peterson
- eBookThat's Awkward!Megan Cooley Peterson
- eBookAllosaurus and Its RelativesMegan Cooley Peterson
- eBookThe Brown LadyMegan Cooley Peterson
- eBookHow Water Gets from Treatment Plants to Toilet BowlsMegan Cooley Peterson
- eBookHow Electricity Gets from Power Plants to HomesMegan Cooley Peterson
- eBookLa LloronaMegan Cooley Peterson
- eBookCool CricketsMegan Cooley Peterson
- eBookGrand GrasshoppersMegan Cooley Peterson
- eBookSpotting UFOs with TechMegan Cooley Peterson
- eBookThe National Museum of American HistoryMegan Cooley Peterson
- eBookUnderstanding WeatherMegan Cooley Peterson
- eBookDo We Build Like It's Medieval Times?Megan Cooley Peterson
- eBookDashing DragonfliesMegan Cooley Peterson
- eBookSuper Surprising Trivia About the Middle AgesMegan Cooley Peterson
- eBookAll-Star Goofball TriviaMatt Chandler
- eBookUnderstanding ClimateMegan Cooley Peterson
- eBookUnbelievably Weird CreaturesMegan Cooley Peterson
- eBookDo You Live Like It's Medieval Times?Megan Cooley Peterson
- eBookThe Secret Life of MothmanMegan Cooley Peterson
- eBookSuper Surprising Trivia About the UnexplainedMegan Cooley Peterson
- eBookSalem's Spirits and Other Hauntings of New EnglandMegan Cooley Peterson
- eBookYellowstone National ParkMegan Cooley Peterson
- eBookAlien Encounters Exposed!Megan Cooley Peterson
- eBookAmazing AntsMegan Cooley Peterson
- eBookMind Myths Exposed!Megan Cooley Peterson
- eBookThe Flying DutchmanMegan Cooley Peterson
- eBookSuper Surprising Trivia About Rain Forest AnimalsMegan Cooley Peterson
- eBookScooby-Doo! A Science of Energy MysteryMegan Cooley Peterson
- eBookScooby-Doo! A Science of Magnetism MysteryMegan Cooley Peterson
- eBookThe Secret Life of BigfootMegan Cooley Peterson
- eBookSearching for Aliens with TechMegan Cooley Peterson
- eBookScooby-Doo! A Science of Forces and Motion MysteryMegan Cooley Peterson
- eBookFreakishly Creepy CreaturesMegan Cooley Peterson
- eBookExtremely Beautiful CreaturesMegan Cooley Peterson