'Classic' tales of the Sentry at the birth of the Marvel Age! Discover the previously unexplored history of the Golden Guardian of Good as he battles the Mad Thinker; Ursus the Ultra Bear; Mountain Man; and Cranio, the Man with the Tri-Level Mind - all leading up to a final showdown with his arch nemesis, the Void! Featuring guest-stars galore, including Millie the Model and the Guardians of the Galaxy. Plus: a special story guest-starring one of the greatest - but sadly forgotten - British Invasion bands, the Crick-Hits! More than ten tales of old-school super-hero action! Collecting THE AGE OF THE SENTRY #1-6.
— Description from Comic Vine community (comicvine.gamespot.com).
