"Kintu a Congo Adventure", written in 1935 by Elizabeth Enright, has been digitized and made available by the Rosetta Project. This 31 page book is appropriate for intermediate readers.

This ebook version of Thomas Wallace Knox's The Boy Travellers On The Congo has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.

Classic Reader provides numerous classic works from famous authors. First published in 1899, one work is Heart of Darkness. This work was written by Joseph Conrad.