Warriors Of Mars by Edward P. Bradbury (Pseudonym) - Compact 1965 - No ISBN - 1st UK Edition Paperback - Cover Art by James Cawthorn
Warriors Of Mars by Edward P. Bradbury (Pseudonym) - Lancer 1966 - No ISBN - 1st US Edition Paperback - Cover Art by Gray Morrow
Re-titled as The City Of The Beast (By Michael Moorcock) - Lancer 1970 - ISBN 0-447-74668-0 -
1st US Edition Paperback - Cover Art by Kenneth Smith
Re-titled as The City Of The Beast (By Michael Moorcock) - New English Library 1971 - ISBN 0-450-00684-0 - 1st UK Edition Paperback - Cover Art by Richard Clifton Dey
Blades Of Mars by Edward P. Bradbury (Pseudonym) - Compact 1965 - No ISBN - 1st UK Edition Paperback - Cover Art by James Cawthorn
Blades Of Mars by Edward P. Bradbury (Pseudonym) - Lancer 1966 - No ISBN - 1st US Edition Paperback - Cover Art by Gray Morrow
Re-titled as The Lord Of The Spiders(By Michael Moorcock) - Lancer 1970 - ISBN 0-447-74736-2 -
1st US Edition Paperback - Cover Art by Behan
Re-titled as The Lord Of The Spiders (By Michael Moorcock) - New English Library 1971 - ISBN 0-450-02294-3 - 1st UK Edition Paperback - Cover Art by Richard Clifton Dey
Barbarians Of Mars by Edward P. Bradbury (Pseudonym) - Compact 1965 - No ISBN - 1st UK Edition Paperback - Cover Art by James Cawthorn
Barbarians Of Mars by Edward P. Bradbury (Pseudonym) - Lancer 1966 - No ISBN - 1st US Edition Paperback - Cover Art by Gray Morrow
Re-titled as The Masters Of The Pit (By Michael Moorcock) - Lancer 1970 - ISBN 0-447-75199-0
1st US Edition Paperback - Cover Art by Jim Steranko
Re-titled as The Masters Of The Pit (By Michael Moorcock) - New English Library 1971 - ISBN 0-447-00721-9-
1st UK Edition Paperback - Cover Art by Richard Clifton Dey