Superboy 3rd series comic books issue 21
Future Tense: Part 1 of 3. "Making History!" Guest-starring the Legion of Super-Heroes. Story by Karl Kesel. Art by Tom Grummett and Doug Hazlewood. The intergalactic police force from the future, the Legion of Super-Heroes, have traveled back in time to find their friend Valor, and only Superboy can help them. Story continues in Legion of Super-Heroes #74. Cover price $1.95.