Chris Black has spent two decades searching for answers deep within the world’s oceans and is no stranger to the risks of undersea life. Alongside Mac Johnson, his childhood friend and former Navy SEAL, Chris has cheated death above and below the ocean’s surface more times than he can count. But nothing has prepared him for the violence he and his team encounter in their own backyard of Carmel-by-the-Sea, violence which will change the team forever.

Spain 1057: During a thunderous battle, the first King of Aragon wrestles Alexander the Great's priceless Egyptian weapon from the Moors, but finds it holds a terrifying and mysterious power. A thousand years later, gunshots and the sound of breaking glass rip through the silence. Maddy Marshall and her twin brother Will Argones, an engineer, quickly run toward the sound. Horrified, they discover a sniper's bullet has found its human target. Before the pool of blood on the living room floor is dry, the twins are sent on an arcane quest to recover Alexander's ancient weapon.

When ex-MI5 operative Joe Mason is sent to Rome to guard an elderly professor and his daughter, he thinks he’s in for an easy ride. But on their first day in the Vatican secret archives, a masked assassin gains entry, shoots Joe’s client in cold blood and steals an ancient manuscript. Giving chase, Joe can’t imagine what could lie within those pages that would make someone willing to kill. The search for answers leads Joe and his comrades in a race against time, across continents and into treacherous mountains.

Unverified reports tell of a hidden treasure trove deep beneath the Owl Mountains in Poland. Many have tried, but all have failed to locate the legendary Nazi gold train. Jack Reilly mourns the loss of his grandmother, a Holocaust survivor, and an esteemed historian. In memory of her, the retired Delta operator tours the place of her imprisonment, the Auschwitz-Birkenau State Museum, site of the infamous Nazi concentration camp.

It takes a special sort of courage to serve in midget submarines, and Lieutenant David Seaton, commanding officer of XE16, needs no reminding of the perils involved. The little X-craft with their four-man crews have been used against heavy enemy surface units and important harbour installations. But in 1944, with the Allies poised for an invasion through France, a new and more hazardous role is given to Seaton's flotilla.

Get three bestsellers for the price of one. Backwater Bay: When a body is found floating in the mangroves of Biscayne National Park, Special Agent Kurt Hunter has his first real case. Backwater Channel: Kurt is thrown into a rift between warring environmentalists and power-hungry corporate executives all trying to advance their own agendas. Backwater Cove: When agent Hunter finds a woman washed up in Biscayne National Park the case leads him to the world of high rolling boosters and the young players who will do anything to make their mark.

Jacob Snow—elite soldier-turned-CIA agent, haunted by his tortured past—is one of the CIA’s greatest assets and is dispatched when the stakes are highest. When an ancient Egyptian relic goes missing under mysterious circumstances, Jacob knows this is no run-of-the-mill robbery: The relic holds a secret—one that could destroy everything.

It was an age of empire, an age of contrast, and an age of dramatic change - and one which would determine the destinies of nations as well as of men. Captain Philip Blackwood of the Royal Marines rejoins his ship, HMS Audacious, in August of 1850, anxious to get back into action. "Per Mare - Per Terram" is the marines' motto. In the torturous heat of Africa, where they are sent to stamp out the remaining strongholds of slavery, and later, in the bitter war of the Crimea, Philip Blackwood and his men learn to obey it without question.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

When his wife, Grace, and their new sailboat go missing, Nathan Fitzgerald will do anything and everything to get her back. Nathan, a high school football coach in the Florida Keys, is in way over his head. Turning to strangers when authorities are reluctant to help, he begins a frantic international hunt. Buckle up as Graceless takes you on an exhilarating chase around the Caribbean with twists at every stop. Written in four parts by four best-selling Tropical Authors, the story plunges Nathan into the worlds of each author's characters in a desperate search for Grace.

William Gunn wants nothing more than a quiet life. After returning home from the Napoleonic wars, he accepts a position on the Duke of Devonshire’s idyllic estate. Destiny, however, intervenes when his young daughter, Sarah, falls prey to a mysterious sickness, and Gunn must strike out once more into the unknown and search for an unusual cure - the black orchid, a plant found only in the forbidding Amazon rainforest, where the last man who saw it went insane.

Jack "Rattler" Owen is a navy pilot on a combat deployment struggling with life at sea. If dealing with separation from his family, the constant grind of shipboard life, and malfunctions in the E-2C Hawkeye weren't enough, it now seems that someone is out to get him. As he tries to navigate his time on the aircraft carrier, he realizes that things are not adding up in his squadron.

In 1991, acting on a tip from a local fisherman, two scuba divers discovered a sunken German U-boat, complete with its crew of 60 men, not too far off the New Jersey coast. The divers, realizing the momentousness of their discovery, began probing the mystery. Over the next six years, they became expert and well-traveled researchers, taught themselves German, hunted for clues in Germany, and constructed theories corrective of the history books, all in an effort to identify this sunken U-boat and its crew.

Heavy caliber cannon fire rips across the harbor of a remote South Atlantic research station. Worse is to come. When Argentinian forces launch a lightning strike against the Antarctic peninsular, only a single US Navy destroyer stands between them and the country's ambition to seize the continent's rich resources for herself. The USS Cunningham is sailing into hostile waters, untested, unsupported and far from home. But as the enemy will soon discover, the Cunningham is no ordinary warship, nor her Commander any ordinary Captain...

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.