You know you've made it big, when it's appropriate for you to publish a book. That's exactly where the Sidemen are right now. Yes, they're publishing a book. It's called "SIDEMEN: The Book". It is now available to order and it was released on the 20th of October, 2016. There was a huge contest involving this book release and it included meeting the boys, signed copies of the book, online gaming sessions, and many more. The winners have/will be contacted.