The Ringworld Throne

Man of Steel, Woman of Kleenex

The Smoke Ring

Inconstant Moon

Wait It Out

Becalmed in Hell

Exercise in Speculation: The Theory and Practice of Teleportation

A World out of Time

The Jigsaw Man

Destiny’s Road

What Can You Say about Chocolate Covered Manhole Covers?

Protector

All the Myriad Ways

The Theory and Practice of Time Travel

A Gift from Earth

World of Ptavvs

Passerby

Not Long before the End

The Ringworld Engineers

For a Foggy Night