Fluke

A dog named Fluke is barely more than a puppy when fragments of a life that isn't his own surface in his mind -- memories of a wife, a daughter, a job, an entire human existence he can't reconcile with the body he's now living in. Driven by those memories, Fluke sets out to find the family he half-remembers, aided by Rumbo, another dog going through the same impossible transformation. James Herbert follows the journey from a dog's-eye view of the world, using Fluke's confusion and determination to ask what, if anything, survives of a person after death. A standalone novel by James Herbert, better known for straightforward horror.