Pauline Hopkins published Of One Blood in serial format in The Colored American Magazine between November 1902 and November 1903. The novel describes the discovery of a lost civilization near Meroë, in present-day Sudan. Combining aspects of romance, social commentary, and utopian science fiction, it is one of the earliest examples of Afrofuturism and anticipates later work by Octavia Butler and Sun Ra. Although long in the public domain, the complete novel has never been presented in its original format. It is now available here.
Source: The Colored American Magazine: Volume 6 (New York: Negro Universities Press, 1969)