Superman comes face to face with Mongul for the first time!

Superman battles the intergalactic conqueror known as Mongul in these tales from the late 1970s and early 1980s. Introduced as a physical challenge to the Man o

When Superman faces a threat from the Sun-Eater and Mongul and the danger of Earth's destruction, Jimmy Olsen summons the Legion of Super Heroes to help in "In

The most comprehensive guide to the history of DC Comics ever published In 1938, Superman led the charge. The world's first Super Hero was soon followed by his

Describes and lists the values of popular collectible comics and graphic novels issued from the 1950s to today, providing tips on buying, collecting, selling, g