Flashback Dawn (A Serialized Novel), Part 2: "The Devil's Shambhala"
by Wayne Kyle Spitzer
Slowly it became manifest: the sound of cavern raptors barking amidst the catacombs, barking and seeming to answer themselves, and something else, which answered them all. The Cat. The smilodon. The saber-toothed tiger which bore little in common with any of its modern-day ancestors nor any of its prehistoric ones, for it was the size of a small bus.