If, Worlds of Science Fiction Year 1972 Magazine Back Issues
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- Beginning Patterns Of Chaos
- New Novel By Colin Kapp
- Harry Harrison - Lester Del Rey
- Isaac Asimov
- Is Better Than Ever In His First Novel In 16 Years-A Masterpiece!
- The Gods Themselves
- Two Exciting New Novelettes!
- In The Ocean Of Night Greg Benford
- The Dwarfs Of Zwergwelt Joseph Green
- Patterns Of Chaos (conclusion) Colin Kapp
- Complete Novella
- The Merchants Of Venus Frederik Pohl
- Duncan Lunan Piers Anthony Zach Hughes Lester Del Rey
- Gripping New Novella
- Gods On Olympus Stephen Tall
- The Emoman: Alan Dean Foster
- Black Baby: Piers Anthony
- A Different And Daring Novel!
- The Wizard Of Anharitte Colin Kapp
- Piers Anthony - Robert F. Young
- Lester Del Rey - Larry Eisenberg
19521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974
If was an American science fiction magazine launched in March 1952 by Quinn Publications, owned by James L. Quinn.
The magazine was moderately successful, though for most of its run it was not considered to be in the first tier of American science fiction magazines. It achieved its greatest success under editor Frederik Pohl, winning the Hugo Award for best professional magazine three years running from 1966 to 1968. If published many award-winning stories over its 22 years, including Robert A. Heinlein's novel The Moon Is a Harsh Mistress and Harlan Ellison's short story "I Have No Mouth and I Must Scream". The most prominent writer to make his first sale to If was Larry Niven, whose story "The Coldest Place" appeared in the December 1964 issue.
If was merged into Galaxy Science Fiction after the December 1974 issue, its 175th issue overall.
