Infinite Grey: A Sci-Fi Thriller (Gunn and Salvo Book 5) by Joshua James

Not everyone will survive...

As Gunn and Salvo desperately try to hatch a plan that can slow Grey down, an unexpected — and largely unwelcome — ally comes to their aid. They might hold the key to defeating Grey, but their agenda is their own.

Meanwhile, Dab returns to the lab that first experimented on her mind hoping to find a clue as to what is fueling the Dolus and how to stop their terrifying powers. What she finds will change everything...

Infinite Grey is the latest episode in the Gunn and Salvo sci-fi thriller series, a high-octane rush through the wildest corners of the galaxy!