The comic books in the image are all issues of DC Comics' Adventure Comics series, featuring a range of characters and storylines from different eras. The specific issues are: Top Left: Issue #257 (February 1959) - Features the story "Superboy Meets the First Two Super-Men!". This is a key Silver Age issue. Top Right: Issue #382 (July 1969) - Stars Supergirl in the feature story "The Super-Team's Split-Up!". Bottom Left: Issue #428 (August 1973) - Is the first appearance and origin issue of the character Black Orchid. Bottom Right: Issue #481 (May 1981) - Features the "Dial H for Hero" storyline with characters Chris King and Vicki Grant.