The Alden children travel on a Mississippi paddle-wheel steamer to visit an old family friend in his cabin near Hannibal, Missouri, and try to discover who is responsible for the mysterious activities near the house

When the Bear family goes to the seashore, they find a map which they hope will lead them to buried treasure

While learning to sail during a visit to his grandmother's at the Connecticut shore, eleven-year-old Tony becomes excited about the rumors of sunken treasure in the area and starts following a couple who seem to be making a mysterious search for something

On the tropical island of St. Theresa you have an ancient map, a bewildering riddle, a pirate's lingering curse, and a missing uncle and cousin

"Treasure-hunting team Sam and Remi Fargo's search for a Romanov fortune brings them into perilous contact with an ambitious neo-Nazi clan, in the thrilling adventure from the #1 New York Times-bestselling author. In 1918, a ransom of enormous size was paid to free the Romanovs from the Bolsheviks, but, as history knows, the Romanovs died anyway. And the ransom? During World War II, the Nazis stole it from the Russians, and after that--it vanished....

Chantry came home to a murdered brother and a couple of squatters. Then the Mowatt gang moved in. They were looking for his brother's buried treasure. Chantry was going to lead them to it. Or else.

A boy finds a treasure map that leads to a pirate fortune and great danger

"A 1980s cultural assessment of the fantastical future of online behavior continues the story that began in the internationally best-selling futuristic novel, Ready Player One, that inspired a blockbuster Steven Spielberg film"-- Days after winning control of OASIS, the immersive virtual reality environment in which most of humanity chooses to live, Wade Watts discovers a world-changing technological advancement and draws the attention of a merciless...

Three childhood friends, after discovering a hidden treasure map that was left behind by a recently departed friend, go into the Oregon wilderness in search of lost treasure. They take a canoe upriver and everything that can go wrong, does. The three become hunted by two backwoods farmers, tree-hugging hippie chicks and a crazy old mountain man. All in the hopes of finding the D.B. Cooper treasure they studied about when they were young kids.

Ever since Tory Brennan and her friends rescued Cooper, a kidnapped wolf pup with a rare strain of canine parvovirus, they've turned from regular kids into a crime-solving pack! But now the very place that brought them together - the Loggerhead Island Research Institute - is out of funding and will have to shut down. That is, unless the Virals can figure out a way to save it!