J. Winslow Mortimer has written at least 1 book. Their most popular book is Showcase Presents: Legion of Super-Heroes, Vol. 4 with 1 save with an average rating of -⭐.
Series
65 primary books50 released booksAuthored 0% of series
Showcase Presents is a 50-book series with 50 released primary works first released in 1988 with contributions by Robert Kanigher, Jerry Siegel, and Bill Finger.
Series
3 primary booksAuthored 0% of series
Showcase Presents: The Legion of Super-Heroes is a 3-book series with 3 released primary works first released in 2007 with contributions by Jerry Siegel, Curt Swann, and Jim Shooter.