A hole in space.

A collection of science fiction short stories by Larry Niven, published in 1974. It contains:

"Rammer (story)" (this story was later expanded into the novel A World Out of Time)
"The Alibi Machine"
"The Last Days of the Permanent Floating Riot Club"
"A Kind of Murder"
"All the Bridges Rusting"
"There is a Tide"
"Bigger than Worlds"
"$16,940.00"
"The Hole Man"
"The Fourth Profession"