Horowitz, Anthony, 1955- Ark angel / Anthony Horowitz. - 366 pages ; 20 cm. - Alex Rider ; bk. 6 . First published: 2005. ISBN: 9781406360240 (paperback) Subjects--Topical Terms: Rider, Alex (Fictitious character)--Juvenile fiction. Dewey Class. No.: 823.914 / HOR 2015