When are we too old to read a book primarily written for young people and teenagers?
Kiwi New York Times bestselling author of middle grade fiction Graci Kim thinks you can never be too old.
She was recently the main character of the internet for a day, when she tweeted her opinion that adults should read more 'middle grade' books - aimed at ages 8 to 14.
Graci talks to Emile Donovan about some of the backlash to her tweet and why she stands by it.