Jeff Lemire's post-apocalyptic vision of humankind and unlikely friendships is hauntingly beautiful.
After the Affliction killed billions of the population a new breed of human/animal hybrids became the children of this world. They've become a unique commodity and hunters will stop at nothing to obtain one. Gus is one of these hybrids and after his forest is breached by hunters, he is rescued by a violent man named, Jepperd. He promises Gus that he would take him to a place called "The Preserve" where it's been said it is a safe haven for special children like Gus.
I really don't want to give away the rest because well I'm still reading it (haha) but that's the jist of it so far. The reason the book is called Sweet Tooth is because Gus like most kids, loves chocolate. If you're curious... http://jefflemire.blogspot.com/
I might have to pick up his Essex County as I've heard great things about that too.