by Sandra Brennan
synopsis
In this adventure, a crazed treasure hunter hires a team of frogmen to help retrieve a sunken emerald from a shipwreck. Trouble ensues when one of the divers discovers that the treasure hunter may have killed someone to get the gem. The treasure hunter then kills the suspicious frogman with an aqualung. The greedy frogmen then all end up killing each other while the gem lies in Davy Jones' locker.
characteristics
- Opal
- Treasure
- Bad-guy-vs-bad-guy