Holly, Joan Hunter
Chronological Checklist

13 titles

Encounter (New York: Avalon Books, 1959)
The Green Planet (New York: Avalon Books, 1960)
The Flying Eyes (Derby, Connecticut: Monarch Books, 1962)
The Dark Planet (New York: Avalon Books, 1962)
The Gray Aliens (New York: Avalon Books, 1963)
The Running Man (Derby, Connecticut: Monarch Books, 1963)
The Time Twisters (New York: Avon Books, 1964)
The Dark Enemy (New York: Avalon Books, 1965)
The Mind Traders (New York: Avalon Books, 1966)
The Man from U.N.C.L.E., Number 10: The Assassination Affair (New York: Ace Books, 1967)
Keeper (Toronto, Ontario: Laser Books, 1976)
Shepherd (Toronto, Ontario: Laser Books, 1977)
Death Dolls of Lyra (New York: Manor Books, 1977)