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.

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's Eras Tour-commemorating hardback book hit stores Friday, just nine days before she performs the show for the final time. And as much as we thought we knew about these concerts from the 21 months of it being dissected,