Beyond the Farthest Star
Yesteryear
One of Our Planets Is Missing
The Lorelei Signal
More Tribbles, More Troubles
The Survivor
The Infinite Vulcan
The Magicks of Megas-Tu
Once Upon a Planet
Mudd's Passion
The Terratin Incident
The Time Trap
The Ambergris Element
The Slaver Weapon
The Eye of the Beholder
The Jihad