The members of Sigma Force reluctantly join forces with their most hated enemy to stop a primordial threat with ties to the American Civil War and the secret work of Alexander Graham Bell. Off the coast of Brazil, a team of scientists discovers a horror like no other, an island where all life has been eradicated, consumed, and possessed by a species beyond imagination. Before they can report their discovery, a mysterious agency attacks the group,...

"Former Army Ranger Tucker Wayne and his war dog Kane are thrust into a global conspiracy that threatens to shake the foundations of American democracy in this second ... Sigma Force spinoff adventure ..."-- Tucker Wayne's past and his present collide when a former army colleague comes to him for help. She's on the run from brutal assassins hunting her and her son. Tucker must discover who killed a brilliant young idealist. To do so he must discover...

"It's been twenty years since 9/11. Two decades since the United States was attacked on home soil and embarked on twenty years of war. The enemy has been patient, learning, and adapting. And the enemy is ready to strike again. A new president offers hope to a country weary of conflict. He's a young, popular, self-made visionary...but he's also a man with a secret. Halfway across the globe a regional superpower struggles with sanctions imposed by...