- E-bookThe Lost Roanoke ColonyMegan Cooley Peterson
- E-bookScooby-Doo! A Science of Electricity MysteryMegan Cooley Peterson
- E-bookScooby-Doo! A States of Matter MysteryChristian Cornia
- E-bookThe Bell WitchMegan Cooley Peterson
- E-bookHaunted Objects From Around the WorldMegan Cooley Peterson
- E-bookScooby-Doo! A Science of Chemical Reactions MysteryMegan Cooley Peterson
- E-bookScooby-Doo! A Science of Sound MysteryMegan Cooley Peterson
- E-bookTyrannosaurus Rex and Its RelativesMegan Cooley Peterson
- E-bookScooby-Doo! A Science of Light MysteryMegan Cooley Peterson
- E-bookWonderful WormsMegan Cooley Peterson
- E-bookPhantom Soldiers and Other Gettysburg HauntingsMegan Cooley Peterson
- E-bookUrban Legends Exposed!Megan Cooley Peterson
- E-bookStrange Sights in the White House and Other Hauntings in Washington, D.C.Megan Cooley Peterson
- E-bookThe National Air and Space MuseumMegan Cooley Peterson
- E-bookThomas Edison and the Invention of the Light BulbMegan Cooley Peterson
- E-bookThat's Awkward!Megan Cooley Peterson
- E-bookThe Brown LadyMegan Cooley Peterson
- E-bookAllosaurus and Its RelativesMegan Cooley Peterson
- E-bookHow Water Gets from Treatment Plants to Toilet BowlsMegan Cooley Peterson
- E-bookHow Electricity Gets from Power Plants to HomesMegan Cooley Peterson
- E-bookLa LloronaMegan Cooley Peterson
- E-bookCool CricketsMegan Cooley Peterson
- E-bookThe National Museum of American HistoryMegan Cooley Peterson
- E-bookGrand GrasshoppersMegan Cooley Peterson
- E-bookSpotting UFOs with TechMegan Cooley Peterson
- E-bookAll-Star Goofball TriviaMatt Chandler
- E-bookDo We Build Like It's Medieval Times?Megan Cooley Peterson
- E-bookUnderstanding WeatherMegan Cooley Peterson
- E-bookDashing DragonfliesMegan Cooley Peterson
- E-bookSuper Surprising Trivia About the Middle AgesMegan Cooley Peterson
- E-bookUnbelievably Weird CreaturesMegan Cooley Peterson
- E-bookAlien Encounters Exposed!Megan Cooley Peterson
- E-bookUnderstanding ClimateMegan Cooley Peterson
- E-bookSuper Surprising Trivia About the UnexplainedMegan Cooley Peterson
- E-bookSalem's Spirits and Other Hauntings of New EnglandMegan Cooley Peterson
- E-bookYellowstone National ParkMegan Cooley Peterson
- E-bookThe Secret Life of MothmanMegan Cooley Peterson
- E-bookDo You Live Like It's Medieval Times?Megan Cooley Peterson
- E-bookScooby-Doo! A Science of Energy MysteryMegan Cooley Peterson
- E-bookMind Myths Exposed!Megan Cooley Peterson
- E-bookThe Flying DutchmanMegan Cooley Peterson
- E-bookAmazing AntsMegan Cooley Peterson
- E-bookSuper Surprising Trivia About Rain Forest AnimalsMegan Cooley Peterson
- E-bookThe Secret Life of BigfootMegan Cooley Peterson
- E-bookScooby-Doo! A Science of Magnetism MysteryMegan Cooley Peterson
- E-bookSearching for Aliens with TechMegan Cooley Peterson
- E-bookScooby-Doo! A Science of Forces and Motion MysteryMegan Cooley Peterson
- E-bookExtremely Beautiful CreaturesMegan Cooley Peterson
- E-bookFreakishly Creepy CreaturesMegan Cooley Peterson