In, which was named by voya as best science fiction, fantasy, and horror book for 2003, Mercedes Lackey and james mallory introduced readers to the obsidian trilogy and a complex new fantasy world populated by humans, ce...In, which was named by voya as best science fiction, fantasy, and horror book for 2003, Mercedes Lackey and james mallory introduced readers to the obsidian trilogy and a complex new fantasy world populated by humans, centaurs, elves, talking unicorns, and demons.