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 James Blish (The Planeteer), Daniel C. Burford, J. Harvey Haggard, Edmond Hamilton, David H. Keller, Clifton B. Kruse, Lawrence Manning, A. Merritt, Raymond Palmer (The Comet), Milton Rothman (Fantasy Fiction Telegram), E.E. Smith, William Sykora, Robert A. Waite, Jack Williamson, as well as the publisher, editor and associate editors.