Everybody's favourite all-action cat is back in the third instalment of the hilarious cat-superhero series, from award-winning author and queen of comedy, Jeanne Willis.

When all the grown-ups disappear from the family funfair Supercat and his sidekick James suspect the evil Count Backwards is behind it. The crime-fighting duo track the count to his underwater headquarters - but can they sneak on board a submarine and save the day or will they end up as fish food?

This is volume 3 in Supercat .

There are 224 pages in this book. This book was published 2015 by HarperCollins Publishers .

Jeanne Willis is a favourite children's author, and she also writes for television.