Saga of the Swamp Thing Book Six (9781401246921)

This collection of issues #57-64 of Swamp Thing begins across the galaxy, where the Swamp Thing's consciousness has been hurled. Trying to find his way back to Earth, Swamp Thing stops over on Thanagar, home of Hawkman; Rann, home of Adam Strange; and encounters the Green Lantern of a world of sentient plants.