Did You Take the B From My _ook?

From the brilliant brains behind THIS IS A BALL comes a new giggle-inducing bestseller! For the Grown-Ups: OK. Two things you need to know. Firstly, your favourite thing in the whole world is the letter B. And secondly, you're about to sneeze and all the Bs are going to be blown out of the book. So until you can get your favourite letter back, you're about to sound really, really silly ...And the kids will love it!.

Where can I find a copy?