Harry Hammer can't believe his luck! He and his family are going on vacation to Treasure Reef, home of The Lost Treasure of that dastardly, long-ago pirate Long Fin Silver. Legend has it that Long Fin buried the Black Blood Pearl, the most valuable and beautiful gem in the history of the ocean. Harry and his pesky cousin Harvey are on the hunt for treasure, but they best beware of where they look, as they're about to come fin-to-fin with the spooky spirit of Long Fin Silver himself!

This is volume 9 in Shark School .

This book has been graded for interest at 6-9 years. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read.

There are 144 pages in this book. This is a chapter book. Publishers market early chapter books at readers aged 6-10 years. This book was published 2018 by Simon & Schuster .

Davy Ocean is the pseudonym of a collective of writers from the creative agency Hothouse Fiction, based in London. Aaron Blecha is an artist and author who designs funny characters and illustrates humorous books. His work includes the Shark School series and Goodnight, Grizzle Grump ! Originally from Wisconsin, Aaron now lives with his family by the south English seaside.