People in London are being taken away in unmarked police vans, never to be seen again...

While trying to keep up with his school studies and ensuring his football team stays top of the league, it's Johnny's job to safeguard planet Earth.

Suspicious of the strange occurrences, Johnny investigates to find that alien enemies are feeding humans to their Queen on a nearby planet. He then discovers a more terrifying secret: the aliens are planning a devastating invasion of Earth.

The battle for Earth will take all of Johnny's and his friends' strength and resolve. Can they win? If they do, what price will they pay to save the world?

This is book 3 in Johnny Mackintosh .

There are 336 pages in this book. This book was published 2011 by Hachette Children's Group .

Keith Mansfield was a publisher for the Pearson group and for the Oxford University Press. He has also scripted several shows for ITV. He lives in East London.