Sigma Force Series in Order by James Rollins

"Kingdom of Bones" is a thriller novel written by James Rollins and published on March 3, 2021. It is the 16th book in the Sigma Force Novels series. The story follows the Sigma Force team as they investigate a mysterious archaeological discovery in the African jungle, known as the Kingdom of Bones. The discovery leads them on a dangerous journey across Africa, where they encounter a group of ruthless mercenaries and a deadly virus that could threaten the entire world. The Sigma Force team must race against time to uncover the truth behind the discovery and stop those who seek to use it for their own gain. The book is a fast-paced adventure that combines history, science, and action to create a thrilling read.

"The Last Odyssey" is the 15th book in the Sigma Force series written by James Rollins. In this thrilling novel, Sigma Force must embark on a dangerous odyssey into an ancient past to save the world and our future. The story revolves around a group of modern-day researchers who make a shocking discovery in the frozen tundra of Greenland: a medieval ship buried half a mile below the ice. To prevent an apocalypse and stop zealots from unleashing chaos, Sigma Force must retrace the journey of Odysseus from Homer's Odyssey and cross through the gates of Hell. This page-turning thriller combines cutting-edge science, historical mystery, mythology, and pulse-pounding action. "The Last Odyssey" is praised for its fast-paced and entertaining storytelling, making it a stand-alone novel that can be enjoyed by both new and existing fans of the series.

"The Last Odyssey" is the 15th book in the Sigma Force series by James Rollins. The book follows the Sigma Force team as they embark on a dangerous journey into an ancient past to save the world and our future. In the frozen tundra of Greenland, a group of modern-day researchers discovers a medieval ship buried a half-mile below the ice. The ship's discovery leads to a perilous adventure that involves retracing Odysseus's journey in Homer's epic poem, "The Odyssey." The Sigma Force team must cross through the gates of Hell to stop zealots from breaking them open and unleashing an apocalypse. The Last Odyssey combines cutting-edge science, historical mystery, mythology, and pulse-pounding action to create a page-turning thriller that will keep readers on the edge of their seats.

"Crucible" is a thriller novel by James Rollins and is the 14th book in the Sigma Force series. The book follows Commander Gray Pierce, who arrives home on Christmas Eve to find his house ransacked, his pregnant lover missing, and his best friend's wife unconscious on the floor. As he sets out to find his loved ones, he discovers a sinister force that wants to control the world through artificial intelligence (AI). The book explores the potential and dangers of AI and features a brilliant scientist named Mara who created an AI named Eve that learns, evolves, and grows with empathy. The story includes cutting-edge medicine, historical mystery, and a curse. The book is 480 pages long and was published by William Morrow.

"The Seventh Plague" is the 12th book in the Sigma Force series written by James Rollins. The book follows the Sigma Force team as they investigate a mysterious illness that has broken out in Africa, which is linked to an ancient biblical curse. The team discovers that the illness is caused by a pathogen that has been released from a tomb in Egypt, and they must race against time to prevent a global pandemic. Along the way, they encounter a variety of obstacles, including rival factions who are also seeking to obtain the pathogen for their own purposes. The book is a thrilling blend of scientific intrigue and historical mystery, and it showcases Rollins' signature style of blending fact and fiction to create a gripping and suspenseful story.

"The Bone Labyrinth" is the 11th book in the Sigma Force series by James Rollins. In this thrilling novel, Commander Gray Pierce of Sigma Force embarks on a search for the truth that takes him 50,000 years into the past. The plot revolves around the evolution of human intelligence and the discovery of an ancient evil that has been reawakened through genetic science. This evil poses a grave threat to the existence of mankind. The book is known for its complex plot and non-stop action, spanning nearly 500 pages. It combines elements of technology, science, and adventure, keeping readers engaged from start to finish. The Bone Labyrinth features a variety of intriguing settings, including the Beijing Zoo with giant hybrid gorillas and remote research digs. Overall, "The Bone Labyrinth" is a captivating addition to the Sigma Force series, offering a thrilling blend of historical exploration, scientific intrigue, and high-stakes danger.