Charlie and August go on vacation, but trouble always finds them!Charlie and August, the kitty duo who control the incredible Sparks costume, are exhausted. It's hard work saving people all the time! So what better way to relax than to get away to a beautiful tropical island? But when weird things start to happen and they discover that the island holds a surprising secret, they're blasted off on their craziest adventure ever! Available in softcover and hardcover editions.