treasure troves

The crew of the "Barnacle" finds themselves entranced by an ethereal song, and only Jack, who seems unaffected by it, can defeat the mysterious force behind the dark spell.

Tom gets a big surprise when he decides to follow the clues on the treasure map he found in an old box.

The reader determines what happens when a letter with three clues leads to a treasure ship that has mysteriously sunk off the coast of Orcas Island.

Anxious to recover the sunken treasure of a famous pirate ship, two teenagers enlist the help of a trained dolphin and determine to carry out their hunt despite the ghost stories and mysterious underwater noises surrounding the Bell Reef.

Egyptologist Daniel Knox's fascination with Alexander the Great may prove deadly after construction workers excavate a ancient catacomb, and Knox is not the only one who seeks to unlock the mysteries of the tomb.

A dying archaeologist gives Sam Grant his notebook, written in Ancient Greek, with his last request being that Sam keeps them safe, but when the KGB, the CIA, and the SIS begin to seek out Sam and the information he holds, he decides to travel to Greece to piece together the clues that could lead to an invaluable, ancient treasure.

When Billy Beede learns that her mother's burial spot is about to be plowed up to make way for a supermarket, Billy sets out to dig up her mother, and the stash of jewels that is rumored to be buried with her, before she misses her chance.

Roger's friend Kenneth uses an unusual sea vehicle of his own design to take them to an underwater cave, where a cache of old loot gathered by the mermaids turns out to contain a lot of very valuable old baseball cards.

Describes how people throughout history have looked for such valuable commodities as gold, jewels, oil, and buried treasure.