Alex is a bruja and the most powerful witch in her family. But she's hated magic ever since it made her father disappear into thin air. When a curse she performs to rid herself of magic backfires and her family vanishes, she must travel to Los Lagos, a land in-between as dark as Limbo and as strange as Wonderland, to get her family back.

Steeped in Hispanic folklore since childhood, middle schooler Charlie Hernández learns the stories are true when, shortly after his parents disappearance, he grows horns and feathers and finds himself at the heart of a battle to save the world.

To prevent the Mayan gods from battling each other and destroying the world, thirteen-year-old Zane must unravel an ancient prophecy, stop an evil god, and discover how the physical disability that makes him reliant on a cane also connects him to his father and his ancestry.

After escaping the Black Hook Gang in 1860 New York City, twelve-year-old twins Alexander and Cleopatra flee to New Orleans, become separated, and try to find each other in San Francisco, while being followed by pirates who think they hold the key to treasure.

At Greenglass House, a smuggler's inn, twelve-year-old Milo, the innkeepers' adopted son, plans to spend his winter holidays relaxing but soon guests are arriving with strange stories about the house sending Milo and Meddy, the cook's daughter, on an adventure.