Daisy Malone and the Blue Glowing Stone

Someone has to save the world and that someone is DAISY MALONE.
It's Daisy's 12th birthday but she's got more earth-shattering things on her mind. Her father is scared of everything, her mother has disappeared, and she and her dog Ben (a highly intelligent, talking dog - his words!) have just found a mysterious blue glowing stone in the attic.
But what is it, and why does everyone want it?

A HILARIOUS NEW ADVENTURE FROM THE AUTHOR OF Sir Roderick the not-very brave
'Very funny... Simply delightful, whatever your age' Daily Telegraph