Reynolds, Mack
Chronological Checklist

Series – United Planets

9 titles
• Planetary Agent X (New York: Ace Books, 1965)
• Dawnman Planet (New York: Ace Books, 1966)
• The Rival Rigelians (New York: Ace Books, 1967)
• Il Segreto Delle Amazzoni (Milan, Italy: Mondadori, 1967)
• Code Duello (New York: Ace Books, 1968)
• Amazon Planet (New York: Ace Books, 1975)
• Tomorrow Might Be Different (New York: Ace Books, 1975)
• Section G: United Planets (New York: Ace Books, 1975)
• Brain World (New York: Leisure Books, 1978)