50 in 50
Harry Harrison
50 Ways to Hex Your Lover
Linda Wisdom
Hex (Linda Wisdom) (1)
52
Greg Cox
Justice League of America Universe (1)
555
Robert Reed
The 5th Witch
Graham Masterton
Sixty Days to Live
Dennis Wheatley
The 60 Minute Zoom
J. G. Ballard
667, Evil and Then Some
Marilyn Todd
Honorable Mentions (The 6th Annual of the Year's Best S-F)
Judith Merril
6 x H
Robert A. Heinlein
The Seven Deadly Sins of Science Fiction
Isaac Asimov & Martin H. Greenberg & Charles G. Waugh
7C
Jason Roberts