Alex Rider is a series of Spy Novels by Anthony Horowitz about a teenage spy named Alex Rider. The series is aimed primarily at teens and young adults. The series comprises eleven novels, as well as five graphic novels, three short stories and a supplementary book. The first novel, Stormbreaker, was released in the United Kingdom in 2000 and was adapted into a film in 2006 starring Alex Pettyfer. The novels are published by Walker Books in the United States. They were first published by Puffin in the United States, but have been published more recently by Philomel Books, also an imprint of Penguin Books.