About the book: 2024 / In a quiet town with the funny name Quarry, something strange is happening! For many, many years it was considered the most peaceful place in the area, but suddenly a series of troubles began. First, the favorite of all the schoolchildren, the teacher Mrs. Lars, disappeared. A couple of days later, someone broke into the house of an elderly lady, the oldest resident of the city! Four friends - Arthur, Viola, Rose and Luke - are sure that these two events are connected. The guys begin their own investigation. But will they be able to collect evidence and find the criminal??