Danny thinks his father is the most marvellous and exciting father any boy ever had.
But when Danny is nine, he discovers that his father has a deep, dark secret that will lead them on a dangerous and thrilling adventure.
- Format: Hardback
- Pages: 208 pages, Illustrations
- Publisher: Pearson Education Limited
- Publication Date: 12/09/1977
- Category: General
- ISBN: 9780435122218