Blackhawk 1957 #174 - reader copy - $5.00

Andre and Hendrickson descend into an arctic crevasse and find they've been transported to another dimension, where they are leaders of opposing forces.

Panels illustrating four dubious inventions that were received by the Patent Office.

Hy visits the India Rubber Man in the sideshow.

Eccentric genius Alvin Acorn designs a business center, where the buildings and decorations have a sinister purpose.

Superman teaches two kids about picking up their toys and not littering.

History of the evolution of the tank in war from Greece to World War I.

Article on efforts to re-map the entire North and South American continents.

A split personality causes Anthony Marvel to commit crimes disguised as Blackhawk's foes.

On-sale date from copyright registration.

• For the Best in Comics Entertainment - Inside front cover. Promo for DC Comics featuring head shots of all characters with their own titles.
• Your Passport to Amazing Adventures! - Promo for Tales of the Unexpected #71, House of Mystery #124; and Challengers of the Unknown #26. Covers are depicted. All are labeled "now on sale."
• - Ad for Palisades Amusement Park, N. J., with coupon good for free admission on Mondays and Fridays and free tickets to two rides.
• Batman Unmasked! - Promo for Batman #148 and Detective Comics #304, with covers depicted. "On sale everywhere."
• Two Spectacular Heroes! - Promo for Aquaman #4 (on sale May 22) and Rip Hunter #9 (on sale May 17), with covers depicted.
• Superman Says... "Be a Good Citizen!" - Published in cooperation with the National Social Welfare Assembly.
• For the Very Best in Comics Reading - Promo for Tomahawk #81 and My Greatest Adventure #69, with covers depicted.
• - Inside back cover.
• - Back cover.