When the Chamber of Secrets is opened again at the Hogwarts School for Witchcraft and Wizardry, second-year student Harry Potter finds himself in danger from a dark power that has once more been released on the school.

Thirteen-year-old Juan's summer is off to a terrible start. First, his parents separate. Then, almost as bad, Juan is sent away to his strange Uncle Tito's house for the entire break! Who wants to live with an oddball recluse who has zigzag eyebrows, drinks fifteen cups of smoky tea a day, and lives inside a huge, mysterious library? As Juan adjusts to his new life among teetering, dusty shelves, he notices something odd: the books move on their own!...

"Rancid rat hairs! I'd been spending so much money lately, I had none left in the bank! Even worse, when my grandfather found out, he sent me off to Moldy Manor. There, miserly Uncle Stingysnout would teach me to be better at saving. How terrible! Could I learn to be less wasteful without going crazy?"--

Kate and Tom are now full-fledged conductors of the steam-powered, animal-saving Great Secret Intercontinental Railway, but when Kate takes the Silver Arrow out on an unsanctioned mission to find Uncle Herbert she discovers a mysterious train called the Golden Swift with an agenda of its own.

Upon his mother's death, fifteen-year-old Beck Phillips is sent to live with an eccentric uncle he had never met in a remote manor house, where he learns that his family suffers from a curse that allows him to hatch dragon eggs and make plants grow on command.