Harry Potter and the Goblet of Fire (Harry Potter 4)

"Welcome to the Knight Bus, emergency transport for the stranded wizard. Raise your wand, hop aboard, and we'll take you wherever you want to go."

When the Knight Bus bursts onto a dark street and screeches to a halt in front of Harry, a new year at Hogwarts begins for him, filled with extraordinary events. Sirius Black, murderer and follower of Lord Voldemort, has escaped, and they say he's after Harry. In his first Divination class, Professor Trelawney sees an omen of death in the tea leaves in Harry's cup... But perhaps the most terrifying thing is the Dementors that patrol the school grounds, capable of sucking out your soul with their kiss...