Harry is relieved to be back at Hogwarts for his third year with his friends Ron and Hermione, even though he isn't completely safe. The escaped convict Sirius Black, a staunch supporter of Voldemort, is after Harry. Sequel to "Harry Potter and the Chamber of Secrets (DC19467)." Prequel to "Harry Potter and the goblet of fire (DC21014)." Grades 4-7. Bestseller. 1999.