For readers who loved Room and The Curious Incident of the Dog in the Night-Time: a heartwarming, heartbreaking story of love, loyalty and the power of the imagination - a novel perfect for anyone who ever had a friend . . . real or otherwise.

Goodreads finalist 2012 as voted by over 1 million readers

My name is BUDO.

I have been alive for 5 years.

5 years is a very long time for someone like me to be alive.

MAX gave me my name. Max is 8 years old.

He is the only human person who can see me.

I know what Max knows, and some things he doesn't.

I know that Max is in danger.

And I know that I am the only one who can save him.

Refreshingly different