Harry Potter's summer couldn't have been worse—doomy warnings from a house-elf named Dobby, an awful birthday, and a daring rescue by Ron Weasley in a magical flying car!

Back at Hogwarts School of Witchcraft and Wizardry for his second year, Harry hears strange whispers echoing through empty corridors—and then the attacks start.

Students are found as though turned to stone... Dobby's sinister predictions seem to be coming true.

What dark forces are lurking within Hogwarts? Can Harry uncover the truth before it's too late?