Cowboys, Pirates, Aliens, Dinosaurs and Zombies (Cowboy Pirates & Aliens, #3) Rich Cole Author

The Cowboys, Pirate Queen, and the Alien are strangers in a strange land as they explore an alternate reality where zombies and dinosaurs have taken the Earth. Meanwhile, they also have to contend with Gary and his increasingly unhinged pursuit of Tully. The crew fight through Aliens, Dinosaurs, and Zombies while they search for a way to fix time and space before humanity and possibly time itself perishes.