A collection of 11 issues of 'If: Worlds of Science Fiction' magazine, published between February 1956 to December 1957.

If was an American science fiction magazine launched in March 1952 by Quinn Publications, owned by James L. Quinn. It achieved its greatest success under editor Frederik Pohl, winning the Hugo Award for best professional magazine three years running from 1966 to 1968.

Featuring 'Avoidance Situation' by James McConnell, 'Human Error' by Raymond F. Jones, 'Satellite by James M. Nuding, 'The Happy Herd' by Bryce Walton, ''The Lonely Earth' by Dr. Walther Redel, 'ABBR.' by Frank Riley, 'Ultimate Melody' by Arthur C. Clarke, 'The Green Thumb' by James E. Gunn, 'Pretty Quadroon' by Charles Fontenay, 'The Tunesmith' & ' Silence is Deadly' by Lloyd Biggle, Jnr. and Robert Silverberg's 'And The Walls Come Tumbling Down'. Also features writing by; Poul Anderson, James Blish, John Jakes, Robert F. Young, Irving E. Cox, Jnr. Harlan Ellison, Henry Still, Fox B Holden, Richard Wilson, Henry Slesar & Isaac Asimov.

Condition: Excellent.

Authors: Arthur C. Clarke, Bryce Walton, Poul Anderson, James Blish, John Jakes, Irving E. Cox, Isaac Asimov, Harlan Ellison, Henry Still, James McConnell
Publisher: Quinn Publications, 1956 - 1957 (Out of Print)
Number of pages: 160
Format: Soft Cover
Size: 5" x 8" (135mm x 195mm)
Condition: VF - Very Fine