The artwork needs to be within: 11-11/16” (11.688”) wide x 7-1/4” (7.25”) high.
The artwork background (overall document size) needs to be: 12-3/16” (12.188”) wide x 7-3/4” (7.75”) high. This is for the bleed.
There must be a 1/8” bleed on all 4 sides.
The artwork for the spine needs to be within a 1-3/8”.