Home / New Releases / Swamp Thing Swamp Thing Len Wein Available From: Mass Market Paperback Amazon Barnes & Noble Bookshop Target Books a Million Powells Walmart Add to your Goodreads To-Read Shelf Book Details Tor Books On Sale: 05-15-1982 Books By Len Wein The Incredible Hulk Stan Lee, Len Wein The Untold Legend of the Batman Len Wein