Grendel is a troll who comes up from the world below to find love. But the passage is hard, and it's only with the aid of a human named Ken that Grendel survives. Ken, a successful, thirty-ish software engineer, lives peacefully in the suburbs with his dog Jake. Though six feet tall, Ken has always secretly dreamed of meeting a man bigger than himself. In Grendel he finds this desire met in spectacular fashion. Grendel is attracted to Ken too,...