Ghost Signal

In "Ghost Signal," the second installment of the Rift Warrior series by B. V. Larson, humanity's hopes for a thriving colony on Acheron are shattered when they discover a barren, lifeless planet instead. As panic ensues over a mysterious signal emanating from an ancient alien ruin, colonists find themselves threatened by alien guardians. To survive, they call for help from Earth, leading special forces operative Dane Tanner to race against time to decode the signal and confront the impending threat. This gripping tale blends action and military science fiction, promising a captivating adventure.