Take twin teenage girls, a boy who wants to escape from his boring life, add an insane dog, a demented headmistress, hidden treasure, and you have the glorious recipe of "The Tizzle Sisters & Erik". St Dunstan's School for Wayward Children is not an ordinary school and Sadie and Saskia Tizzle are not ordinary young people. Abandoned by their mother when she sets off on a world tour, the twins have to fend for themselves and escape the clutches of the mad Miss Rimmer and her demented dog, Darcy. Disaster strikes when Saskia is adopted by an eccentric writer who whisks her away to a strange mansion that contains many secrets, ghosts and hidden treasure. It is left to Erik to come to the rescue, but can he help Sadie save Saskia from her terrible fate? Or will a crazed circus conjurer electrocute them with his latest trick? This incredible romp will keep you turning the pages until you find out the fate of...the "Tizzle Sister's & Erik".