Although the Titanic ship is meant to be unsinkable, there is plenty of danger waiting on its maiden voyage for four of its passengers--Paddy, a stowaway; Sophie, under police custody; rich yet troubled Juliana; and Alfie, who hides a secret.

Nautical archaeologist Christina Alvarez searches the Caribbean for her ancestor's sunken treasure ship, but as she battles for the assistance of her only help, Mitch Crawford, she leads them to an even greater treasure.

Four children aboard the Titanic--Sophie, Paddy, Juliana, and Alfie--believe the famed killer Jack the Ripper is on the ship with them, and the urgency of their mystery deepens as the "unsinkable" ship hits an iceberg.

"Diver James McGregor is used to exploring sunken ships. But there's something strange about the wreck of the Grave Descend. No one aboard tells quite the same story about what happened. Then there's the mysterious cargo they were carrying... In one of the most beautiful places on Earth, a sinister plot is about to unfold. And if McGregor's not careful, he may find himself in over his head."--Publisher.

"Laura Callaway daily walks the windswept Cornwall coast, known for many shipwrecks but few survivors. And when a man with curious wounds and an odd accent is washed ashore, she cares for him while the mystery surrounding him grows. Can their budding attraction survive, and can he be returned to his rightful home when danger pursues them from every side?"--

Nine-year-old Jack, a secret agent with the Global Protection Force, must find a diver and treasure that went missing from the wreck of the HMS Pandora near the Great Barrier Reef, a mission complicated by the presence of pirates.

Will and Lucy sail on the Titanic and are separated from their father when the ship hits an iceberg and begins to sink.

Tucker and Maya are sent back in time to Titanic's maiden voyage, they must save a new friend before it's too late.

Two thieves pretend to be newlyweds as they plot to steal from the rich passengers of the Titanic, but when the woman's dark past catches up to her, she questions who she can trust, as the ship sails ever nearer to its doom.

As Hava sails across the sea toward Monsea with the world's only copies of the formulas for the zilfium weapon, she makes an unexpected discovery about one of the ship's crew, but before she can unravel the mystery, storms drive their ship off course, wrecking them in the ice far north of the Royal Continent.