Sargasso of Space — Andre Norton

FOR SALE
to the highest bidder:

One planet known as LIMBO
Population: ?
Resources: ?
Perils: ?

Wiser and richer space traders turned down this cosmic pig-in-a-poke, but the crew of the Solar Queen couldn't afford anything more s cure. And their trip to Limbo to see what they had got proved that the newly discovered distant world lived up to its ominous name in every way!