The Ghent Altarpiece is the most violated work of art in the world. Thirteen times it has been vandalized, dismantled, or stolen. Why? What secrets does it hold? Enter UNESCO investigator, Nicholas Lee, who works for the United Nations’ Cultural Liaison and Investigative Office (CLIO). Nick’s job is to protect the world’s cultural artifacts—anything and everything from countless lesser-known objects to national treasures. When Nick travels to Belgium for a visit with a woman from his past, he unwittingly stumbles on the trail of a legendary panel from the Ghent Altarpiece.

The charmingly eccentric Otto Draxinger appears to be your typical pipe-smoking Oxford professor, doing his best to preserve his sanity while his beloved former students are being slaughtered at the Western Front. But the American expatriate has diagnosed himself with the newly coined term “schizophrenia”. And he believes the nightmarish waking visions he’s been experiencing are caused by the psychological trauma of the catastrophe that is The Great War.

In 2008, the murder of his sister and the loss of his faith started a priest’s search for answers. It puts him on a collision course with a ruthless, evil criminal who seeks the Ark of the Covenant. From Washington, DC, to the depths of a Castle in Scotland, the priest’s quest to find justice will lead him to the most secret religious order in the World.

Nora Kelly, a young archaeologist in Santa Fe, receives a letter written 16 years ago, yet mysteriously mailed only recently. In it her father, long believed dead, hints at a fantastic discovery that will make him famous and rich - the lost city of an ancient civilization that suddenly vanished a thousand years ago. Now Nora is leading an expedition into a harsh, remote corner of Utah's canyon country, but what she unearths will be the newest of horrors.

When Liz Kirschener discovers a musical map to Genghis Khan's tomb, her scholarly life explodes into arson and gunfire. Grant Casey brings in his team for a race to the tomb—to prevent Chinese authorities from burying it forever. This novel speeds from Cambridge, Massachusetts, to Cambridge, England, in search of clues—then flies to Inner Mongolia, bringing together a Mongolian singer, Grant's ex-commanding officer, and a Hong Kong billionaire with a secret past. Mongolian traditions clash with modern priorities in a high-stakes adventure to save one of the world's greatest lost treasures.

Like most gentiles in Nazi-occupied Paris, architect Lucien Bernard has little empathy for the Jews. So when a wealthy industrialist offers him a large sum of money to devise secret hiding places for Jews, Lucien struggles with the choice of risking his life for a cause he doesn't really believe in. Ultimately he can't resist the challenge and begins designing expertly concealed hiding spaces - behind a painting, within a column, or inside a drainpipe - detecting possibilities invisible to the average eye. But when one of his clever hiding spaces fails and the immense suffering of Jews becomes incredibly personal, he can no longer deny reality.

“In wartime,” Winston Churchill wrote, “truth is so precious that she should always be attended by a bodyguard of lies.” For Britain’s counterintelligence operations, this meant finding the unlikeliest agent imaginable - a history professor named Alfred Vicary, handpicked by Churchill himself to expose a highly dangerous, but unknown, traitor. The Nazis, however, have also chosen an unlikely agent.

As India celebrates the arrival of a momentous new decade, Inspector Persis Wadia stands vigil in the basement of Malabar House, home to the city's most unwanted unit of police officers. Six months after joining the force she remains India's first female police detective, mistrusted, sidelined and now consigned to the midnight shift. And so, when the phone rings to report the murder of prominent English diplomat Sir James Herriot, the country's most sensational case falls into her lap.

France, 1963. Taken out of his home town as part of a nationwide “initiative”, Inspector Lucas Rocco finds himself in the village of Poissons-Les-Marais, Picardie – and answerable to his former army CO Francois Massin. On his first day he finds a murdered woman wearing a Gestapo uniform lying in a British military cemetery. When the body is removed from the mortuary before Rocco can finish his investigation, he traces the paperwork to the dead woman’s father, industrialist Philippe Bayer-Berbier.

London, 2017: When Aurelia Leclaire inherits an opulent Paris apartment, she is shocked to discover her grandmother’s hidden secrets - including a treasure trove of famous art and couture gowns. One obscure painting leads her to Gabriel Seymour, a highly respected art restorer with his own mysterious past. Together they attempt to uncover the truths concealed within the apartment’s walls.

Berlin, 1929. Detective Inspector Rath was a successful career officer in the Cologne Homicide Division before a shooting incident in which he inadvertently killed a man. He has been transferred to the vice squad in Berlin, a job he detests even though he finds a new friend in his boss, Chief Inspector Wolter. There is seething unrest in the city, and the Commissioner of Police has ordered the vice squad to ruthlessly enforce the ban on May Day demonstrations.

Captain Sam Wyndham, former Scotland Yard detective, is a new arrival to Calcutta. Desperately seeking a fresh start after his experiences during the Great War, Wyndham has been recruited to head up a new post in the police force. He is immediately overwhelmed by the heady vibrancy of the tropical city, but with barely a moment to acclimatize or to deal with the ghosts that still haunt him, Wyndham is caught up in a murder investigation that threatens to destabilize a city already teetering on the brink of political insurgency.

The Tower House. Down a secluded path, hidden by overgrown vines, the crumbling villa echoes with memories. Of the family who laughed and sang there, until the Nazis tore them from their home. And of the next woman to walk its empty rooms, whose courage in the face of evil could alter the course of history.

Budapest, 1952. When Katalin and her father, Márton, are woken by the ringing of the doorbell in the dead of night, it can mean only one thing. The Secret Police have come to arrest him on charges of subversion. But Katalin knows her father is innocent. In a communist society where ordinary people live in fear of the dreaded Secret Police, suspicion and betrayal are rife. While Márton endures the injustice of being wrongly accused, Katalin must find out who among her friends and acquaintances she can truly trust.

From the best-selling author of the Sandman Slim series, a lush, dark, stand-alone fantasy built off the insurgent tradition of China Mieville and M. John Harrison - a subversive tale that immerses us in a world where the extremes of bleakness and beauty exist together in dangerous harmony in a city on the edge of civility and chaos. The Great War is over. The city of Lower Proszawa celebrates the peace with a decadence and carefree spirit as intense as the war’s horrifying despair.