Alexander Hartung was born in 1970 in Mannheim, Germany. He began writing while he was studying for a degree in economics and soon discovered a passion for crime fiction. He topped the Kindle Bestseller List with his Jan Tommen series and with Broken Glass he introduced us to Nik Pohl, the Munich detective at the centre of a gripping new investigation series. Alexander lives in his hometown of Mannheim with his wife, son and daughter.

Originally from Dundee, Scotland, Fiona Beaton received her degree in Translation and Interpreting with Spanish and German from Heriot-Watt University in 2007. After initially working for media monitoring companies and an investment bank, Fiona began pursuing texts of a more creative nature where she could combine her linguistic skills with her interest in literature, film and theatre. She currently lives in Hamburg, Germany.