A construction project beneath the National Mall reveals a dark secret dating back to the Civil War, something buried by a cabal of scientists, led by Alexander Graham Bell, who helped found the Smithsonian Institution. It is a cache of bones, preserved in amber, protecting a wonder like no...

In the race to save one of their own, Sigma Force must wrestle with the deepest spiritual mysteries of mankind in this mind-expanding adventure from #1 New York Times bestselling author James Rollins, told with his trademark blend of cutting edge science, historical mystery, and pulse-pounding...

To save the world and our future, Sigma Force must embark on a dangerous odyssey into an ancient past whose horrors are all too present in this page-turning thriller from #1 New York Times bestselling author James Rollins that combines cutting-edge science, historical mystery, mythology, and...

From #1 New York Times bestselling author James Rollins, the latest riveting, deeply imaginative thriller in the Sigma Force series, told with his trademark blend of cutting-edge science, historical mystery, and pulse-pounding action. It begins in Africa . . . A United Nations relief team in a...

In the latest riveting thriller from James Rollins, the #1 New York Times bestselling author of the Sigma Force series, an international research station in the Coral Sea comes under siege during a geological disaster that triggers massive quakes, deadly tsunamis, and volcanic eruptions. To stop...

Currently in development as a TV series from Amazon MGM Studios, a story of a thrilling hunt around the globe, pitting nation against nation, as ancient myths of a lost continent prove all too real—the latest novel in the bestselling Sigma Force series from James Rollins, #1 New York Times...

From the #1 New York Times bestselling master of international intrigue comes an all-new Sigma Force adventure introducing a dynamic younger generation of operatives, replete with all the world-challenging threat and scientific mystery that are the hallmarks of this bestselling series. Simon...