"The Firm - Mean Business Tour 1986 book" is a piece of music memorabilia from the rock and pop genre, measuring 9.75 x 13 inches. This item likely features information and images related to the tour of The Firm in 1986, making it a valuable collectible for fans of the band or music enthusiasts in general. The book may include stories, photos, and insights into the tour, providing a nostalgic look back at a significant moment in the band's career.