In the days leading up to the Christmas holidays, Mila intended to spend her time relaxing, playing games, and eating cookies. However, strange things start happening at school. Her neighbor Max, along with some other classmates, suddenly appears every morning completely exhausted but refuses to talk about what's going on. When Mila witnesses a huge vehicle landing on Max's roof and her friend goes missing from school the next day, it becomes clear that she must uncover his secret. Her only clue: a mysterious letter she finds in Max's secret hiding place.

Join Mila on her incredible journey to elves and gnomes. Solve the puzzles and help Max and the others escape the Christmas trap. Only the best detectives and brainiacs will manage to complete all the tasks and save Christmas. The new escape room advent calendar for the whole family. This book will put your brain cells to the test. Because only if you manage to solve a riddle will you find out where the story goes next. For an exciting Advent season.