Jack & Jack's New Book 'You Don't Know Jacks' Debuts Next Week!

Jack Gilinsky and Jack Johnson‘s new book is coming out in just a few days!

The duo — known as Jack & Jack — will be debuting their book, “You Don’t Know Jacks” on Tuesday, September 6th.

The book is “complete with never-before-seen photos, behind-the-scenes stories, and hilarious personal anecdotes” from the guys — and a Fan Joy book bundle was just announced! Check out the details below!

Jack G is also pictured on a date night with girlfriend Madison Beer in Hollywood on Wednesday night (August 31).