Are you up for a thrilling adventure?
When Joe spots a red balloon floating in the breeze, he runs towards it, wanting to be the first person to grab it. But within moments of catching it, he stops and stares in astonishment.
Why has someone written words on the balloon? Why do the children search the nearby village? And what happens when they find another balloon with more words on it?
Set in 1950's Britain, this adventure story will suit anyone who enjoys Nancy Drew, the Hardy Boys or the Famous Five.
