Six books were published: Justice League of America; Batman; Superman; Superboy & the Legion Of Superheroes; Wonder Woman; World's Finest. Sold in a boxed set as DC Superheroes. Artwork reworked for this book. Copyright 1978 by DC Comics Inc. Copyright 1959, 1961 by Superman Inc. Copyright 1959, 1961, 1965 by N.P.P. Inc. Actual date not listed. Date a guess based on last copyright date. No printing listed.
First adult Legion; first Legion of Super-Villains; reformatted to fit mass-market paperback pages
Reformatted for mass-market paperback size pages.