Start with high-confidence central africa travel books, then narrow by subgenre or adjacent topics.
Crossing the Heart of Africa
Julian Smith
Love, Africa
Jeffrey Gettleman
Cry of the Kalahari
Mark Owens, Delia Owens
The Eye of the Elephant
The Black Rhinos of Namibia
Rick Bass
A Training School for Elephants
Sophy Roberts
Venomous River
Eli Greenbaum
The Rise of Mammals in Africa
Emmanuel Gheerbrant, Charlène Letenneur
Wild Eye
Beverly Joubert
Rwanda
Philip Briggs
Rwanda - Culture Smart!
Brian Crawford
