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. And this time they have to save themselves!

• 192 pages 
• for ages 7-10
• paperback