It’s an out of this world underpants war in this laugh-out-loud picture book from the team that brought you Monsters Love Underpants , Dinosaurs Love Underpants , and Pirates Love Underpants . When aliens crash-land in the jungle, they have no idea that they are about to stumble into the biggest stash of underwear ever. Their happiness knows no bounds since all aliens share a love for zany underpants! But what will happen when the prehistoric owners of the oversized stash turn up?