WEBDec 8, 2015 · by J.K. Rowling (Author), Mary GrandPré (Illustrator) Format: Kindle Edition. 4.9 94,813 ratings. Book 3 of 7: Harry Potter. Amazon Charts #15 this week. See all formats and editions. Locus Award Winner, 2000. Welcome to the Knight Bus, emergency transport for the stranded witch or wizard.