Already in dire financial straits, the Rocky Isle Marine Institute in Maine has lost its prized baby dolphin, and someone's demanding a million-dollar ransom. Nancy suspects that a deadly human shark is on the prowl and she'll take any risk - even act as bait - to ensure the dolphin's return.

 

This book features in the following series: Archway Series, Nancy Drew, Nancy Drew Files .

There are 160 pages in this book. This book was published 1998 by Simon & Schuster .

Carolyn Keene is the author of the ever-popular Nancy Drew books.