Front and Back Cover
The artwork needs to be within: 6-27/32” (6.844”) wide x 11-1/2” (11.5”) high.
The artwork background (overall document size) needs to be: 7-11/32” (7.344”) wide x 12” high. This is for the bleed.
Spine
The Artwork for the Spine needs to be within: 13/16” (.813”) wide x 11-1/2” (11.5) high.
The artwork background (overall document size) needs to be: 1-5/16” (1.313”) wide x 12” high. This is for the bleed.