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--

After the Iberians raid the harbor, stealing or destroying as many ships as they can, the Herons take the only ship that survived and race after their enemy, letting nothing stand in the way of taking down these pirates and pursuing justice.

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

With their honor restored, Hal and his fellow Herons leave Skandia again on a new mission--to track down and stop Hal's nemesis, Tursgud, a bullying youth-turned vicious pirate and slave trader.

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--

Hal, Stig, and the other outcasts do not have the size and strength of the Skandians, but when they face off against the Wolves and the Sharks in an ultimate race for survival, they hope that their courage and cunning are enough to help them win in a game that everyone seems to think is a matter of life and death.

Aspasia, eighteen, an Elementae who controls air, gets caught in a battle between Cyrus, who forces her to capture slaves for market, and a queen whose husband experiments on Elementae.

"In this epic conclusion to the Seafire trilogy, ... Caledonia Styx will risk everything--her heart, her crew, and even her life--to defeat Lir and take back the Bullet Seas once and for all"--

Xiang and Anh--ages sixteen and seventeen--hunt the South China Sea for the lost treasure of the fabled pirate queen Zheng Yi Sao.

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.