Tory Brennan and her Virals friends work to prevent the financially strapped Loggerhead Island Research Institute's imminent shutdown, an effort that leads them to investigate an old Charleston buried treasure legend.

The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.

With her plans for the future crushed at the start of the summer of 1991, seventeen-year-old Cassie Worthy finds friendship, love, and ultimately herself while working at the Parkway Center Mall. New Jersey, 1991. Cassie Worthy is psyched to spend the summer after graduation working at the Parkway Center Mall. In six weeks, she and her boyfriend head off to college in NYC to fulfill The Plan: higher education and happily ever after. But you know...

While his widowed mother continues to search for him, eleven-year-old Tom, presumed dead after drifting away down a river, finds himself trapped in a series of underground caves with another survivor and a dog, and pursued by murderous treasure-hunters.

While working on the lobster boats in his Nova Scotia town, thirteen-year-old Lauchie hauls up an old crock which hides a letter that sends him on a quest for treasure that was hidden long ago.

Eleven-year-old Gina Sparks, aspiring journalist, and her fellow GEEKs, Edgar, Elena, and Kevin, live in Elmwood, New Hampshire, a small town in serious danger of vanishing completely--unless the four friends can find the Van Houten fortune, which was supposedly promised to the town by Maxine Van Houten, a famous toymaker who loved complicated puzzles.

Zoey the chicken decides to use her imagination to have a beach day and bring her friends along to find buried treasure.

The dog detective and his friends look for a treasure map on board an old clipper ship. But there is a ghost after that map, too!

Prompted by the concerns of a young child, Nancy investigates a small studio on the Chatham estate. She discovers that there is a connection between the mysterious occurrences at Ship Cottage and her search for a treasure island. With only half of a map, Nancy sets out to find the man who possess the rest of the map that will pinpoint the location of buried treasure.

Thirteen-year-old Eggbert, a planter's son on a pirate-infested Caribbean island chain, is on the run from a wealthy and powerful villain trying to kill him for his connection to a hidden treasure.