Baker's dozen

The Gate of the Flying Knives - novella by Poul Anderson Unicorn Tapestry - novella by Suzy McKee Charnas Sleep Well of Nights - novelette by Avram Davidson (variant of A Good Night's Sleep) Black Heart and White Heart - novella by H. Rider Haggard Red Nails - novella by Robert E. Howard Storm in a Bottle - novella by John Jakes Ill Met in Lankhmar - novella by Fritz Leiber The Lands Beyond the World - novella by Michael Moorcock A Man and His God - novella by Janet Morris Spider Silk - novelette by Andre Norton Where Is the Bird of Fire? - novella by Thomas Burnett Swann Guyal of Sfere - novella by Jack Vance Tower of Ice - novella by Roger Zelazny