Power Man and Iron Fist #57 features a guest appearance by the Uncanny X-Men as Luke Cage and Danny Rand confront the Living Monolith. Written by Mary Jo Duffy with artwork by Trevor Von Eeden and Frank Springer, the issue brings together two of Marvel's most popular team-up franchises during the late Bronze Age. The Bob Layton cover highlights both heroic teams against the imposing Living Monolith, creating an eye-catching crossover cover that remains popular with Marvel collectors. Professionally graded CGC 9.0, this issue is an attractive addition for collectors of Power Man and Iron Fist, X-Men crossovers, and Bronze Age Marvel team-up stories.