The Spectre is a 6-book series with 6 released primary works first released in 1993 with contributions by Jerry Siegel, Michael Fleisher, Will Pfeifer, David Lapham, John Ostrander, Gardner Fox, Mike W. Barr, Len Wein, Paul Kupperberg, Steve Skeates, Mike Friedrich, Mark Hanerfeld, Neal Adams, Russell Carley, Bob Haney, Eric Battle, Tom Mandrake, and J.M. DeMatteis.