The African War (Latin: Bellum Africum or De Bello Africo) is a sequel to Caesar's commentaries dealing with the African campaign of 47-46 BC. It is generally thought to have been drafted by one of Caesar's officers.
Free online texts
Internet Classics Archive: The African Wars, translated by W. A. McDevitte and W. S. Bohn. HTML and TXT formats.
LacusCurtius: The African War. Latin text and English translation by A.G. Way. HTML format.
Latin Library: De Bello Africo. Latin text. HTML format.
Wikisource: Julius Caesar: The African War. (attributed; possibly written by Aulus Hirtius or Gaius Oppius), translated by William Alexander McDevitte and W. S. Bohn. Online with PDF/MOBI/EPUB downloads available.
HistoryNet: Gaius Julius Caesar’s African Campaign - The Campaign to Destroy the Allies of Gnaeus Pompeius Magnus, by Jonas Goldstein.
Wikipedia: De Bello Africo.
The Great Conversation: Further reading at Tom's Learning Notes
Caesar: Commentaries on The Gallic War.
Caesar: Commentaries on the Civil War.
Caesar: The Alexandrian War.
Caesar: The Spanish War.
Plutarch: Life of Caesar in the Parallel Lives.
Suetonius: Life of Caesar in Lives of the Twelve Caesars.
Latin Resources: Online materials for learning Latin.