In the new Sigma Force thriller, Commander Gray Pierce and his team of globetrotting problem-solvers run up against something they aren't sure how to handle. In a part of the Congo, the environment seems to have been altered. Flora and fauna are apparently undergoing some sort of accelerated evolution; at the same time, the people there seem to have taken several steps backwards on the evolutionary ladder, making them unresponsive and virtually immobile....

When a school friend who is now senior in the Italian Art Squad recruits Rick for an unofficial undercover role to flush out priceless burial urn traffickers, he soon becomes a suspect a suspect in the death of a gallery employee.

"For eons, the city of Troy--whose legendary fall was detailed in Homer's Iliad--was believed to be myth, until archaeologists in the nineteenth century uncovered its ancient walls buried beneath the sands. In the frozen tundra of Greenland, a group of modern-day researchers stumble on a shocking find: a medieval ship buried a half-mile below the ice. The ship's hold contains a collection of even older artifacts--tools of war--dating back to the Bronze...

Rachel Kirby, a computer genius whose beloved twin sister is dying from a chronc illness, receives a mysterious email from archeologist John Tanek who sits trapped inside a collapsed Egyptian tomb with a functioning laptop thousands of miles away. It turns out the collapse was no accident. John has discovered something very valuable in that tomb, something that humankind has been searching for throughout history, something that Rachel could use as...

Archaeologist Dr. Socorro "Corrie" Mejía has a bone to pick. Literally. It's been Corrie's life goal to lead an expedition deep into the Mexican jungle in search of the long-lost remains of her ancestor, Chimalli, an ancient warrior of the Aztec empire. But when she is invited to join an all-expenses-paid dig to do just that, Corrie is sure it's too good to be true... and she's right. As the world-renowned expert on Chimalli, by rights Corrie should...

"An alliance embarks on a dangerous journey to uncover the secrets of the distant past and save their world in this captivating, deeply visionary adventure from #1 New York Times bestselling thriller-master James Rollins. A gifted student foretells an apocalypse. Her reward is a sentence of death. Fleeing into the unknown she is drawn into a team of outcasts: A broken soldier, who once again takes up the weapons he's forbidden to wield and carves...

Folklorist and illustrator Keira Sullivan pursues the mysterious Irish legend of an ancient Celtic stone angel and soon becomes the target of a killer that even search-and-rescue expert Simon Cahill cannot stop.

A mystery of stolen antiquities has Kat Holloway setting aside her apron once again for the intrigues of the upper echelons of Victorian London. Priceless artwork has gone missing from the home of a wealthy baronet, and his wife stands to take the blame. When Kat's employer asks for help in clearing her friend's name, Kat trades her kitchen for the homes of Mayfair's wealthiest families. Soon antiques are disappearing not only from the extravagant...

When brilliant archaeologist Dilara Kenner is contacted by Sam Watson, an old family friend who says that he has crucial information about her missing father, Dilara abandons her Peruvian dig and rushes to Los Angeles to meet him. But at the airport, Sam speaks instead of Noah's Ark - the artifact her father had long been searching for - and the possible death of billions. After giving Dilara a man's name to contact, Sam collapses and dies.