Absolute Swamp Thing by Alan Moore HC #3

Collects [Saga of the] Swamp Thing (1982-1996 2nd Series) #51–64 and DC Comics Presents (1978-1986 DC) #85.

In this new Absolute edition, Swamp Thing returns from Hell only to learn that Abby has fled Gotham City, where he runs afoul of Batman, Lex Luthor, and the Gotham City Police Department. Then, Swamp Thing travels across the galaxy, where his consciousness has been hurled. Trying to find his way back to Earth, he stops over on Thanagar, home of Hawkman; Rann, home of Adam Strange; and encounters the Green Lantern of a world of sentient plants.