Determined to recover the Adomal and to prevent the pirate Zavac from doing more damage, Hal and his brotherband crew persue Zavac to the lawless fortress of Ragusa where, if Hal is to succeed, he will have to go beyond his brotherband training and face the pirate one-on-one in a fight to the finish.

Hal and his fellow Herons team up with Gilan and his Rangers to track down the Scorpion Cult.

A young boy named Bren sets out on the high seas with a mysterious admiral to search for a legendary map that leads to an object of unspeakable power--

A girl pursues her own adventures by stowing away on her father's clipper ship.

Hal and the Herons, having won the Brotherband competition, are accused of stealing the Skandians' most sacred artifact and face challenges on their journey to reclaim it and clear their names.

Takes a detailed look inside a British warship of the Napoleonic age, providing facts about the ship and the people aboard it.

In love with the sea and fascinated by the legend of the Black Rock, Erin sneaks aboard her mother's fishing boat to see the mysterious mass for herself.

In the 1830s Owen Ward is cabin boy on the Polaris, a ship on a voyage of scientific exploration, when illness and a mutiny off the coast of Brazil cause the adult crew to abandon the ship, leaving the handful of young cabin attendants and deckhands behind. The young seafarers are determined to bring their ship to safety, but when one of them disappears they begin to suspect that there is something deadly on board with them--

Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents--Provided by publisher.

When their ship, the Lost, explodes, Bick, Beck, Tommy, and Storm are stranded on a raft in the middle of the Mediterranean Sea, but the situation worsens when the treasure hunters kidnap their parents, forcing the Kidd siblings to follow clues around the globe to uncover an ancient treasure and save their family.