Book critics Lev Grossman and Richard Lacayo created the list, which includes J.D. Salinger'sCatcher in the Rye and Harper Lee'sTo Kill a Mockingbird.
Grossman callsWatchmen "A work of ruthless psychological realism."
Time's top 100 list comes on the heels of the newly-releasedWatchmen: The Absolute Edition, now available in stores.