Hi! I'm Lauren and lately I've discovered something strange about my cat Saturn. Something very strange indeed . . .

And this time it wasn't just me, but also my best friend Tilly who magically travelled back in time with him. Imagine our surprise to find ourselves in Ancient Rome, where no one spoke our language - and they wanted to sell us as slaves! But that wasn't the scariest bit. Because when the tremors started, and the smoke appeared, we knew something explosive was about to happen...

This book is part of a book series called Friends Forever .

There are 240 pages in this book. This book was published 2012 by Penguin Books Ltd .

Judi Curtin was born in London and grew up in Cork. She now lives in LImerick with her family. She has three children and a cat called Domino. Domino does not have any superpowers - as far as Judi knows.