On her first day at St Mary’s School for Particularly Difficult Children, an unwanted girl named Georgie Tanner and her bruised and bullied friend, Thomas Finnigan, sink through a bottomless puddle into a bizarre new world.

There they meet a clumsy secret agent who has mistaken Georgie for the daughter of a mysterious figure known as the Great Magician.

To get back, they must go undercover in a medieval castle to unravel a sinister plot, and battle a ruthless dark star bent on revenge.Join Georgie and Thomas in this quirky, hair-raising adventure as they learn the dizzying spy code of Batty Latin, play the dangerous sport of combat croquet, and discover a secret about themselves they never would have believed.A hilarious and wholesome fantasy novel for girls and boys, aged 10-14 (and the big kids among us).