After the daring rescue of a spider, a young boy named James gains possession of some magic crocodile tongues. When James spills them in the garden, out sprouts an enormous peach! Climbing inside, he meets an astonishing cast of characters and embarks on a magical odyssey full of thrills and adventure.

About to enter his second year at Hogwarts School of Witchcraft and Wizardry, Harry Potter is visited by a house-elf named Dobby and warned not to return. Harry ignores his warning and returns to Hogwarts, where strange things begin to happen, as people are becoming petrified, Harry hears a voice which seems to be coming from within the walls, and Harry's newly-discovered and unsettling ability to communicate with snakes turns even his friends against...