Hominids (Neanderthal Parallax) by Robert J. Sawyer
This is the book that made me want to read everything written by Robert J. Sawyer. I have yet to be disappointed.
How can you not get LOST? I love the premise and the island keeps getting creepier and creepier and ... well, I don't want to give anything away, but I do need the dvds so I can keep up with the new season. Can't Wait!
Third Neanderthal Parallax book after "Hominids" and "Humans".
Read "Hominids" first. Then read this sequel.