One day he finds a note on the fridge which changes everything... his nan has run away to be a ninja at the circus!

'Dear Jim, I am running away to join the circus. I know this will be a shock to you, but sometimes a Nan's just gotta do what a Nan's gotta do... Love, Your Nan (Ninja Nan!)'

Join Jim and his nan at the circus in this hilarious picture book from Hollie Hughes and Natalie Smillie.

With a laugh-out-loud text and bright, punchy illustrations, this is sure to be a winner with secret ninjas everywhere.