These issues were re-prints of Swamp Thing (1972), #1-10, plus material from House of Mystery and House of Secrets. Full color, no ads.
Swamp Thing created by Len Wein and Berni Wrightson.
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/roots-of-the-swamp-thing/4050-3615/).
