The major motion picture -- directed by Daniel Mann (OUR MAN FLINT, BUTTERFIELD 8), from a screenplay by Albert Maltz (TWO MULES FOR SISTER SARA, THE BEGUILED) -- was never produced.
Joel Lieber co-wrote the screenplay for MOVE (1970), the adaptation of his novel Move!, directed by Stuart Rosenberg and starring Elliott Gould, Paula Prentiss, Genevieve Waite, John Larch, Joe Silver, and Ron O'Neal.
The major motion picture based on Norman Garbo's thriller Cabal was never produced, although his next novel, Spy, became a 1989 television movie starring Bruce Greenwood and Jameson Parker.
Dean Jennings' non-fiction book We Only Kill Each Other was never turned into a major motion picture starring Tony Curtis as Bugsy Siegel. However, it is credited as a "research source" for Barry Levinson's film BUGSY (1991), written by James Toback and starring Warren Beatty as Bugsy Siegel. A movie tie-in edition of Jennings' book, with a photo of Beatty and Annette Bening on the cover, was published in the U.K. by Penguin in 1992.