Andrew Kilmartin was a quietly respectable lawyer working in the City of London. Until the day a wanted killer forced a way into his office.

Against all the odds, Kilmartin believed that Franz Schmidt was innocent. But it was a belief that would endanger not only his own life, but also that of Schmidt’s beautiful daughter, Freya – now guardian of her father’s latest, and most revolutionary invention. Because there were some who would commit any crime to ensure that they alone held the key to all of Schmidt’s secrets…

Ralph Hammond Innes (1914-1998) was an English adventure author who wrote over thirty novels as well as children's and travel books. He was born in Horsham, Sussex. Educated at Cranbrook School in Kent he left in 1931 to work as a journalist, initially with the Financial Times. The Doppelganger, his first novel was published in 1937. In WWII he served in the Royal Artillery, eventually rising to the rank of Major. During the war a number of his books were published. After being demobbed in 1946 he worked full-time as a writer, achieving a number of early successes. His had sixteen further novels published before 1960, producing books in a regular sequence of six months travel and research and then six months of writing, many featuring the sea. His rate of work was reduced from the 1960s but was still substantial, and he became more interested in ecological themes. Innes continued writing until just before his death.