Please answer the following question: Information: - 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. - Starcross , or the Coming of the Moobs ! or Our Adventures in the Fourth Dimension ! is a young adult novel by Philip Reeve , released in October 2007 . Illustrated by David Wyatt , it is the second book in the Larklight Trilogy , sequel to the 2006 novel Larklight . - Davit Wyatt (born 28 November 1968) is an English commercial artist. Born in Northampton, he was adopted and raised in West Sussex. As a child, he learnt to play the piano; however, his interest in reading and drawing combined into a love of comics. - West Sussex is a county in the south of England, bordering East Sussex (with Brighton and Hove) to the east, Hampshire to the west and Surrey to the north, and to the south the English Channel. Chichester in the southwest is the county town and only city in West Sussex, with the largest towns being Crawley, Worthing and Horsham. West Sussex has a range of scenery, including wealden, downland and coastal. The highest point of the county is Blackdown, at 280 metres (919ft). It has a number of stately homes including Goodwood, Petworth House and Uppark and also castles such as Arundel Castle and Bramber Castle. Over half the county is protected countryside, offering walking, cycling and other recreational opportunities. - The "Larklight" trilogy is a trilogy of young adult novels by Philip Reeve, entitled "Larklight", "Starcross", and "Mothstorm". These books are all illustrated by David Wyatt. - Larklight, or the Revenge of the White Spiders! or to Saturn's Rings and Back! is a young adult novel by author Philip Reeve. Illustrated by David Wyatt, it is the first book in the Larklight Trilogy. - Dartmoor is an area of moorland in southern Devon, England. Protected by National Park status as Dartmoor National Park, it covers . - Northampton is the county town of Northamptonshire in the East Midlands of England. It lies on the River Nene, about north-west of London and south-east of Birmingham. One of the largest towns in the UK, Northampton had a population of 212,100 in the 2011 census. What is the relationship between 'starcross ' and 'mothstorm'?
A:
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