Claire Barker 
Picklewitch & Jack and the Sea Wizard’s Secret [EPUB ebook] 

DR FIRENZE SHARPTOOTHcordially invites ST IMACULATE'S SCHOOL FOR THE GIFTEDto Draconis Hallfor the Great Fossil Hunt Jack is very excited when he learns that this year's school trip is a visit to the seaside to hunt for fossils. And even better – there's going to be a prize for the best find, which is he desperate to win!Unfortunately, his best friend Picklewitch is not impressed, until she discovers the local Sea Wizard, whose secret lair is hiding the biggest treasure of all . . .