Say goodbye to Ruby Redfort: every smart kid's smart kid. The mind-blowing conclusion to the thrilling series by award-winning author Lauren Child.

Ruby Redfort: undercover agent, code-cracker and thirteen-year-old genius - you can count on her when the ice starts to crack.

All good things come to an end... Ruby Redfort is running scared, a whole bunch of people want her dead and worst of all one of them is on her team. But just who is this agent of doom?

You can run, Ruby, but you can't hide...

This is volume 6 in Ruby Redfort .

There are 560 pages in this book. This book was published 2017 by HarperCollins Publishers .

One of today's most successful creators of children's books, Lauren Child is the winner of several awards, including Highly Commended for the Kate Greenaway Medal for Clarice Bean, That's Me. Lauren lives in North London.