Gene Wolfe's Book of Days is a short story collection by American science fiction author Gene Wolfe published in 1981 by Doubleday.

Thus, a story about the resurgence of slavery ("How the Whip Came Back") is dedicated to Lincoln's Birthday.

Dave Langford reviewed Gene Wolfe's Book of Days for White Dwarf #72, and stated that "Unclassifiable .

some straight-forward, some worrying, some enigmatic and elusive, but all beautifully written.

This article about a collection of science fiction short stories published in the 1980s is a stub.