A crime novel meets a puzzle book in this spine-tingling escape thriller!This is the ultimate challenge for fans of fiendish puzzles, escape room games and mysterious crime thrillers. Someone has set up a trail of cryptic puzzles for Noah to follow, and his father's old butcher apprentice, Max, tags along too.

Eva Eich studied biology and wrote her thesis at the Fraunhofer Institute, Germany. After excursions into veterinary medicine and forensic medicine, she decided to pursue a career in journalism. She worked for a daily newspaper and the Saarland radio in Germany before she moved to Bavaria.