The Time Traders

Search for the Star Stones

Roadside Picnic

Andre Norton: Voodoo Planet: A duel of two cosmic magicians - a horrible death for the loser

Catseye

Clifford Simak: Hellhounds of the Cosmos

This Is How You Lose The Time War

S. P. Meek: GIANTS ON THE EARTH

Voodoo Planet (Unabridged)

Jack Williamson: Salvage in Space: To Thad Allen, meteor miner, comes the dangerous bonanza of a derelict rocket-flier manned by death invisible.

Star Flight

Gods and Androids

Sea of Tranquility: A novel

Storm Over Warlock

Deadly Dreams

Crosstime

Masks of the Outcasts