New York Times bestselling authors SM Stirling Mercedes Lackey Eric Flint and Jody Lynn Nye return with four novellas The cat-like Mrem our heroes battle the deep reptilian intelligence of humanoid dinosaurs in a Bronze Age worldAfter the extinction asteroid does not strike Earth the dinosaurs keep evolving - but so do the mammals We mammals have achieved humanlike shapes but now it&39;s cold-blooded magic-using reptiles against the hot-blooded hot-tempered descendants of cats!