Once upon a time, people wrote books.
Then movies came along, and sometimes books turned into movies, and sometimes movies turned into books.
We'll cut this short: now a smartphone app can become a children's book.
The proof? The Numberlys by William Joyce... it began as an app and is now a book and a short film.
And it's the reason for us to get an interview with the prolific writer, filmmaker and illustrator!
