WArmageddon 2419 A.D. is a science fiction novella by Philip Francis Nowlan that first appeared in the August 1928 issue of the pulp magazine Amazing Stories. A sequel called The Airlords of Han was published in the March 1929 issue of Amazing Stories. Both stories are now in the public domain in the US according to the Project Gutenberg website. In the 1960s, Nowlan's two novellas were combined by editor Donald A. Wollheim into one paperback novel, titled Armageddon 2419 A.D. The characters and setting eventually evolved into Buck Rogers.
WDeluge is a 1928 novel by S. Fowler Wright.
WGreen Fire is a science fiction novel by American writer John Taine. It was first published in 1928 by E. P. Dutton. The novel was adapted and produced as a play.
WThe Master Mind of Mars is a science fantasy novel by American writer Edgar Rice Burroughs, the sixth of his Barsoom series. Burroughs' working titles for the novel were A Weird Adventure on Mars and Vad Varo of Barsoom. It was first published in the magazine Amazing Stories Annual vol. 1, on July 15, 1927. The first book edition was published by A. C. McClurg in March, 1928.
WMr. Blettsworthy on Rampole Island is a 1928 novel by H. G. Wells.
WThe Skylark of Space is a science fiction novel by American writer Edward E. "Doc" Smith, written between 1915 and 1921 while Smith was working on his doctorate. Though the original idea for the novel was Smith's, he co-wrote the first part of the novel with Lee Hawkins Garby, the wife of his college classmate and later neighbor Carl Garby. The novel starts as an edisonade, but turns into a space travel adventure when the characters go into deep space. The Skylark of Space is considered to be one of the earliest novels of interstellar travel and the first example of space opera. Originally serialized in 1928 in the magazine Amazing Stories, it was first published in book form in 1946 by the Buffalo Book Co. The novel was followed by three sequels, beginning with Skylark Three.
WThe Sunken World is a science fiction novel by American writer Stanton A. Coblentz. It was first published in book form in 1948 by Fantasy Publishing Company, Inc. in an edition of 1,000 copies. The novel originally appeared in the Summer 1928 issue of the magazine Amazing Stories Quarterly. It was Coblentz's first published science fiction novel.