The International Observer of Science and Science Fiction

The International Observer of Science and Science Fiction was a fanzine edited by Frederik Pohl in the 1930's.

The Associate Editors were Donald Wollheim, John B. Michel, David A. Kyle and Arthur L. Selikowitz. It was published in Long Island City, New York, U.S.A. by William S. Sykora. It was a stapled, 40 page fanzine.

This publication included articles by H. P. Lovecraft and poetry by Clark Ashton Smith.

Contributors included A. Merritt, James Blish, Daniel C. Burford Edmond Hamilton, David H. Keller, Clifton B. Kruse, Lawrence Manning, A. Merritt, Raymond Palmer, E.E. Smith, William Sykora, Robert A. Waite, Jack Williamson as well as the publisher, editor and associate editors.