Follows the further adventures and misadventures of Hiccup Horrendous Haddock the Third as his Viking training continues and his father leads a stranger and the Hairy Hooligans to the Isle of Skullions in search of a pirate's treasure.

When Fidelia Quail is kidnapped by the pirate Merrick the Monstrous for her marine know-how, she must master the perils of the ocean while helping Merrick search for his treasure, lost on the ocean floor.

When Ruth Rose and her friends, vacationing in Florida, discover that her grandmother is about to invest in a project to recover sunken treasure, they stumble upon evidence that the entire plan may be a fraud.

Sam and Remi Fargo are used to hunting for treasure, not people; but a Texas oil baron contacts them with a personal plea. An investigator friend of the Fargos was on a mission to find the oil baron's missing father, and now the investigator is missing too. On a journey that takes them to Tibet, Nepal, Bulgaria, India, and China, the Fargos will find themselves embroiled with black market fossils, a centuries-old puzzle chest, the ancient Tibetan...

When Little Critter searches for his missing sock all over the house, the yard, and the neighborhood, he is surprised by all the lost treasures he finds during his hunt.

After bonding over their distaste for the roles they are expected to fill, Rapunzel and Cassandra discover a secret lagoon said to hold the kingdom's greatest power.

While searching for the lost treasure of Frogsbottom, Russell the sheep discovers treasure of a different sort.

Thrown in prison for a crime he has not committed Edmond Dantes spends fourteen bitter years imprisoned in grim fortress of If. There he learns of a great hoard of treasure hidden on Isle of Monte Cristo and becomes determined not only to escape, but also to unearth treasure and use it to plot destruction of men responsive for his incarceration.

Twins Bick and Beck Kidd and their family of professional treasure hunters race against mercenaries, rival treasure hunters, and a lumber baron through the jungles and mountains of Peru in search of Paititi, the legendary lost Inca city of gold, in hope of conserving the archaeological treasure and preventing deforestation of the rain forest.

"Twelve-year-old twins Bickford and Rebecca Kidd and their two older siblings travel to Africa to track down priceless artifacts that will keep the family's treasure hunting business afloat long enough to rescue their kidnapped mother--and possibly find their missing father"-- Provided by publisher.