The first book of a new comedic adventure series by the author of Penny Pepper. Welcome to the Purple Bat, the five-star themed hotel in the heart of the mysterious world of witches! A hotel that is exclusively for witches and whose existence remains highly secret from humans.

Until a ten-year-old girl appears and turns the rules upside down. Because Clara not only understands witchcraft, but she is also immune to the tea of forgetfulness, which witches usually offer to humans. The little human girl Clara and the little witch Rosalie quickly become good friends.

Soon they will need to join forces to get the hotel ready by the opening day, while also keeping Rosalie's true identity a secret from the human school. However, the most exciting part is the secret they discover, which explains why Clara understands witchcraft...