Please answer the following question: Information: - The Nestle Children's Book Prize, and Nestle Smarties Book Prize for a time, was a set of annual awards for British children's books that ran from 1985 to 2007. It was administered by Booktrust, an independent charity that promotes books and reading in the United Kingdom, and sponsored by Nestle, the manufacturer of Smarties candy. It was one of the most respected and prestigious prizes for children's literature. - This is a list of characters from Philip Reeve 's Mortal Engines Quartet . - Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. Although its literary origins are sometimes associated with the cyberpunk genre, steampunk works are often set in an alternative history of the 19th century's British Victorian era or American "Wild West", in a post-apocalyptic future during which steam power has maintained mainstream usage, or in a fantasy world that similarly employs steam power. Therefore, steampunk may be described as neo-Victorian. - Mortal Engines is the first of four novels in Philip Reeve's quartet of the same name. The book focuses on a futuristic, steampunk version of London, now a giant machine striving to survive on a world running out of resources. The book has won a Nestle Smarties Book Prize and was shortlisted for the 2002 Whitbread Award. - Philip Reeve (born 28 February 1966) is a British author and illustrator of children's books. He currently lives on Dartmoor with his wife Sarah and their son Sam. Given the paragraphs above, decide what entity has the relation 'genre' with 'science fiction'.
Answer:
list of mortal engines quartet characters