Various comics trade paperbacks include:

Crisis on Multiple Earths, Volumes 1-4:
Teams of superheroes face threats from other dimensions and the future.

Showcase Presents: World's Finest, Volume 1:
Superman, Batman and Robin join forces against menaces.

Superman vs. The Flash
Series of contests to determine which superhero is faster.

Showcase Presents: Superman Family, Volume 1:
Stories about Superman and supporting characters Jimmy Olsen and Lois Lane.

Showcase Presents: Hawkman, Volume 1
Classic Hawkman stories.