. . . "Scan of the cover of the first issue of The Leading Edge from April 1981." . "Leading Edge" . . . . . . . "Leading Edge (magazine)" . "Leading Edge (magazine)" . . . "''Leading Edge'' (magazine)" . . . . . . . . . . "The Leading Edge" . "''The Leading Edge #1''" . "1049-5983" . . . "Managing Editors" . "''Leading Edge''" . "''The Leading Edge''" . . "Leading Edge Magazine" . . . . . "1981" . .