Lot of 12 Worlds of If Science Fiction Magazines, dating from 1965-1969.
Includes:
- September 1965 - Date written in pen on cover. Stories by Fritz Leiber, Frederik Pohl, Keith Laumer, Edward E. Smith, and others.
- February 1966 - Small tear at bottom of spine. Stories by C.C. MacApp, R.A. Lafferty, Larry Niven, and part 3 of The Moon is a Harsh Mistress by Robert A. Heinlein
- February 1967 - More extensive cover creases. Stories by Larry Niven, Keith Laumer, Algis Budrys, and more
- March 1967 - Special Hugo Winners Issue. Stories by Isaac Asimov, Harlan Ellison, Roger Zelazny, Larry Niven, Algis Budrys, and others
- June 1967 - Date written in pen on cover. Small tear at top of spine. Stories by Samuel R. Delany, Keith Laumer, Fred Saberhagen, and Wizard's World by Andre Norton
- December 1967 - Stories by James White, Fritz Leiber, Hal Clement, and more
- January 1968 - Date written in pen on cover. Stories by Roger Zelazny, Fred Saberhagen, James White and others
- April 1968 - Stories by A. Bertram Chandler, John Brunner, Robert Silverberg, Larry Niven and others.
- July 1968 - Stories by Harlan Ellison, Burt Filer, C.C. MacApp and others
- January 1969 - Stories by Roger Zelazny, William F. Temple, Dean Koontz, and more
- February 1969 - Stories by Harry Harrison, James E. Gunn, J.T. McIntosh, and more
- November 1969 - Stories by James Tiptree Jr, Keith Laumer, Neal Barrett Jr, and more