by George R. Hahn
by Nick B. (Nick Boddie) Williams
by Honoré Morrow
by Fritz Leiber
by Frances R. (Frances Roberta) Sterrett
by Katherine MacLean
by Keith Laumer
by Upton Sinclair
by Edgar Pangborn
by Alan Edward Nourse
by Jr. Thomas Dixon
by Mark Twain
by Helen R. (Helen Rose) Hull
by Allan Danzig
by James Blish
by Bryce Walton
by George Fitch
by Bryce Walton
by Andrew Fetler
by George Barr McCutcheon
by Edwin Herbert Lewis
by Eleanor Hallowell Abbott
by Eleanor Hallowell Abbott
by Upton Sinclair
by Albert Payson Terhune
by Arthur Colton
by Bryce Walton
by Leo P. Kelley
by Edward W. Ludwig
by Mrs. George Sheldon Downs
by Virgil F. Shockley
by Herbert D. Kastle
by Charles Neville Buck
by Emerson Hough
by Harry Lorayne
by Upton Sinclair
by Upton Sinclair