From bestselling author Jen Calonita comes an all-new adventure packed with mystery, danger, and a race against time!

Everly \"Benny\" Benedict just turned twelve - and got the surprise of a lifetime. She's the heir to a hidden fortune! But there's a catch. To claim it, Benny must solve a centuries-old puzzle and track down a legendary island that vanished long ago.

She only has two weeks to crack the clues, find the island, and break a two-hundred-year-old curse. But she's not the only one searching, and some people will do anything to keep the island's secrets buried forever. If Benny fails, she loses the fortune. But if she's not careful... she could lose much more than that!