Before a book was published it was commonplace to serialize it for the magazines. This is the first appearance in print of the The War of the Worlds. The issue is November 1897 of The Cosmopolitan and encompasses chapters 19 (cont) -20. It is well illustrated by Warwick Goble.
Other articles include A Glance at the Dark Arts and the Beauty and Charm of India among others which you can see in the cover picture.
Not only is this a first but the ads at the back deserve a mention: Waterman's Fountain Pens, Armour Beef Extract, Quaker Oats, Pabst Beer, Divorced ( a process for separating seeds from raisins, Uncle Sam's Ear (those seeking government positions), The California Limited Santa Fe Route - season of 1897-98, all in all 170 pages of ads, some of them pretty eclectic: 20 lbs. of Fat Gone - "Only obesity remedies admitted at the World's Fair"; and, last but not least - The Oppenheimer Cure which "speedily and permanently cures drunkeness, morphine, opium, and cocaine habits with absolute secrecy and no personal restraints". The last is interesting as it shows the drugs of choice at the end of the 19C. You can probably learn more about a culture from perusing its ads than reading pc rewrites of history.
As always thanks for looking.