Eden Cove    by C.J. Day
Price: $5.99 USD. 270310 words. Published by Fideli Publishing on March 4, 2010. .
The third book in the Cody Austin series finds Cody and Sierra in the first semester of college. They’ve been asked to study online, teach a brilliant child and run a marine grant from their island. When they find the precious Prima Donna treasure in a coral reef around their island – it’s the find of the century, but everyone wants a part of it even if it means killing them to get it.