Oppel, Kenneth, Airborn, Haper Collins, c2004 0-06-053182-7. 501 pages. Matt is a cabin boy on a dirigible which in this fantasy rule the airways. His ship finds a balloonist who mumbles something about cloud cats before he dies. The story invloves Matt and the granddaughter of the ballooist trying to find out what he meant. A believable alternate world with a lot of excitement. Michael L Printz, School Library Journal Best Book, ALA Notable Book, ALA top ten best book for young adults.