When a mint copy of the final album by "Valerian" - England's great lost rock band of the 1960s - surfaces in a charity shop, all hell breaks loose. Finding this record triggers a chain of events culminating in our hero learning the true fate of the singer Valerian, who died under equivocal circumstances just after - or was it just before? - the abduction of her two-year-old son.

Andrew Cartmel is a novelist and screenwriter. His work for television includes Midsomer Murders and Torchwood, and a legendary stint as Script Editor on Doctor Who. He has also written plays for the London Fringe, toured as a stand-up comedian, and is currently co-writing with Ben Aaronovitch a series of comics based on the bestselling Rivers of London books. He lives in London.