First book of the Creatures of the Underworld series. I hope you enjoy!, Creatures of the underworld series is Science Fiction, It's a good book and i recommend it for all readers out there. It features demonic creatures, a group of college students, and a team of soldiers, Join them on their mission to the island as they search for survivors and encounter numerous demonic creatures, zombies and a betrayal. To capture a creature then bring it back to the base for testing. It escapes and unleashes hell over the big city.