Hybrids

From back cover Tor paperback November 2004:

In Hominids Robert J. Sawyer introduced a character readers will never forget Ponter Boddit, a Neanderthal physicist from a parallel Earth who was whisked from his Reality into ours by a quantum-computing experiment gone awry -- making him the ultimate stranger in a strange land.

In that book and its sequel, Humans, Sawyer showed us the Neanderthal version of Earth in loving detail -- a tour de force of world building; a masterpiece of alt...