Detektivov z Tajemn ulice: Zhada upho hrobu Guzowsk Marta (2021)

When Uncle invites Anda and Pa, together with their friend Hanka and the rat Sherlock, to join an archaeological dig, all three are delighted. Archaeologists have discovered a vampires grave, but when the vampires skull mysteriously disappears, the young detectives have a new case to solve. The Detectives from Mysterious Street series combines adventure with fascinating historical facts in an entertaining, interactive format. Questions at the end of each chapter draw readers into the story and encourage them to think logically. The contents are in Czech.