Ben Aaronovitch is best known for his Rivers of London series which has sold over a million copies worldwide. He is also known for his TV writing, especially on Doctor Who, where he wrote fan-favourites Remembrance of the Daleks and Battlefield. He has also written Casualty and Jupiter Moon. Andrew Cartmel has had a long and varied career in TV and publishing. A script editor on both Doctor Who and Casualty, where he met Ben Aaronovitch. He is also the author of The Vinyl Detective series of crime novels for Titan Books. JOSE MARIA BEROY is a comic book artist, colourist and scriptwriter who has over 36 years of experience working in advertising, animation and comic publishing and was born in Barcelona in 1962.