Crack open a What Happened? book to investigate a preposterous mystery from four different perspectives. See what the witnesses get right . . . and what they get hilariously wrong. Bet you’ll never guess what really happened!
When the Histronauts travel back in time to the Viking era they’ll need your help to uncover the secrets of the past. Join them on their journey as they forage for food, decipher runes, build beautiful burial boats, and hear all about a Viking raid.
Budding reporter, Tala Mendoza, thinks life in 1965 Delano, California, is boring. But that’s before Filipino grape workers vote to strike. While the strike brings Filipino and Mexican farmworkers together, it tears apart Tala and her best friend, Jasmine. Can Tala and Jasmine’s relationship withstand the Delano Grape Strike?
Manchac Swamp in New Orleans, Louisiana, is rumored to be haunted, but Josh doesn’t believe it. When his coworker crashes their airboat, leaving them stranded, they find the souls of a long-ago town. Will the boys find their way out, or will they join the lost souls of Manchac Swamp?
After one of her photos shows a shadowy figure, Isabella Rodriguez learns that Hollywood Hills, California, is haunted. Now the ghost in the photo won’t leave Isa alone. She’s trying to communicate with Isa . . . but what does she want?
The Quetlock Quavers have reached the statewide Music and Variety Talent Contest. They’ve drafted Bert Bishop for an important solo during their opening piece. Rehearsals go smoothly, yet when the orchestra takes its place on Stage Two to begin its set, everyone is there except for Bert. What happened?
Welcome to the Science Squad, a citizen science organization for curious kids who love nature and science! Follow along as Squad members journal their efforts to make a difference in the world around them.
Sam Witt’s sandwich was a marvel on a plate. If life were a movie, there’d have been trumpets playing as Sam paraded his STEAM fair project into class. But not more than two hours after the breathtaking wonder’s arrival at school, the king of all sandwiches was missing. What happened?
Chester, New Jersey, is said to be haunted by the Hookerman, the ghost of a former railroad worker with a missing hand. Some say he wanders at night looking for it. There isn’t anything Kara and Natalie can do to help the ghost now . . . is there?
Brubeck Farrell has two problems: her Science Squad needs money to buy bat detection equipment, and she needs to convince her mom to marry her longtime girlfriend. Will Bru’s fundraising and matchmaking efforts eventually pay off?