From publisher blurb:
Actually, there's 14!
We couldn't contain ourselves. You get complete stats for 14 new dog-variants in five game systems for under two bucks. Whether you're looking for guard dogs to beef up security at your mad scientist's lab, escaped experimental subjects, or weird pets for your players, 13 Things: Gene-Spliced Dogs fits the bill.
It's got extra-large dogs with genes from bears, super-fast dogs with hummingbird D.N.A., skunk-dogs, shark-dogs, dogs that walk on walls, and dogs that can track prey by sensing its electromagnetic field.