FRITZ LEIBER
Reading edition
has the following books in Ace editions:
"Hugo" winning best-of-the-year novel: THE BIG TIME (G-627)
Short story collection: SHIPS TO THE STARS (F-285)
"Sword and sorcery" novels of Fafhrd and the Gray Mouser: THE SWORDS OF LANKHMAR (H-38) SWORDS AGAINST WIZARDRY (H-73) SWORDS IN THE MIST (H-90)