When a little boy's ball disappears down a mysterious hole in the garden, he can't stop thinking about what could be down there - a little mouse's house? The lair of a hungry troll? Or maybe even a dragon's den. Whatever it may be, he's determined to find out!
|Publication date:||26th March 2015|
|Publisher:||Macmillan Children's Books an imprint of Pan Macmillan|