Challengers of the Unknown (1958-1978)
Iss # Published Issue InfoImg
82 September, 1977 The Lurker Below; Cover by Michael Netzer - 'Mike Netzer, Mike Nasser'L
83 November, 1977 Seven Doorways to Destiny!; Cover by Rich Buckler - 'Ron Validar'L
84 January, 1978 To Save a Monster; When Deadmen Walk; Cover by Rich Buckler - 'Ron Validar'L