The Riddle family receives a mysterious invitation to spend a day in an impressive medieval castle. As soon as they get there and cross the majestic bridge, the heavy iron gate falls noisily behind them, trapping them. All they have is a note that says, "To get out of here, you need to find three things: who invited you, where he hid the key, and which door you need to open... Good luck!" Will you help the Riddle family solve all the riddles, puzzles and brainteasers to get out of the mystery castle?
- Category: Books of knowledge
- Cover: Paperback
- ISBN: 978-618-224-296-4
- Barcode: 9786182242964
- Series: Solve the Mystery
- First Edition: 3/23/2026
- Dimensions: 13.5 x 1,545 x 20.0 cm (L x W x H)
- Pages: 192
- Age: 8+ years
- Translation: Tatiana Rapakoulia
