The most popular girl in school is having the party of the year and Cleo is desperate to go. But when Cleo and her friends Emma and Rikki discover that the party is actually a pool party, they realise that things could get a little tricky! Something strange and mysterious happens when the girls come into contact with water - they each grow a mermaid tail! So, a pool party is perhaps not such a good idea? However, Cleo is determined to find a way to go to the party...can the girls keep their mermaid secret safe?

 

This book features in the following series: H2O Just Add Water, H2O-Just Add Water .

There are 128 pages in this book. This book was published 2009 by Simon & Schuster .

SpongeBob creator, Stephen Hillenburg, taught marine biology at the Orange County Marine Institute, California, before he pursued a career in experimental animation and came up with the ideas and characters for one of Nickelodeon's most popular cartoons.