Duma Key by Stephen King - Oh, man, this was good. Starts off with a slightly supernatural bent and heads out into horror land. King writes great characters and tells an excellent story. It's large, but not bloated - it pulls you along at warp speed (except when your hands get too tired)
I wouldn't call it his 'best', but it's definitely one of his better ones. (The Pub challenge, Chunkster)
The Darkest Evening of the Year by Dean Koontz - A golden retriever is rescued from an abusive owner by Amy Redwing and her architect boyfriend Brian McCarthy. Nickie becomes a key figure in a twisted duo's plan of sadistic revenge. I enjoyed it, but didn't think it was his best (actually one of his bests includes a dog too - Watchers).
A Wicked Snow by Gregg Olsen - Nice and twisty procedural thriller. Hannah's present as a crime scene investigator comes into conflict with her past as a survivor of a female/male serial killer team - the female leader was her mother. Now it looks like her mother may not be dead, so Hannah reopens the case. I can't believe such a thing would be allowed, but, hey, it's fiction - and good. (A to Z)
The Intruders by Michael Marshall - Go read the summary at Amazon - it's too complicated :) Kinda X-Files, kinda twisty thriller - requires a fair suspension of disbelief, but good writing and characters. (A to Z)
all books: 100 books