Swifties braved Black Friday to get their hands on a copy of Taylor Swift's Eras Tour book. Here are revelations from the groundbreaking world tour.

Taylor Swift fans are surprised to learn from her ‘Eras Tour Book’ that her onstage rover (a.k.a. the ‘TayRoomba’) is ‘actually operated by a crew member, who lays inside the platform and drives it from inside.

Taylor Swift's Eras Tour book goes on sale Friday. Here's the only place to buy it, how much it costs and what you'll get.