belletristic adj 1: written and regarded for aesthetic value rather than content
Belletristic \Bel`le*tris"tic\, Belletristical \Bel`le*tris"tic*al\, a. Occupied with, or pertaining to, belles-lettres. "An unlearned, belletristic trifler." --M. Arnold. [1913 Webster]