The Congo Affair: The Dark Continent Chronicles, Book 5 (Unabridged‪)‬

The last bequest of a convicted murderer on death row in Texas lures men seeking fortunes into the lawless Congo. Rigby Croxford, still in mourning for his wife, is drawn into a web of deception and corruption by a friend in trouble. They have survived the unbridled barbarity of untamed Africa before, but this time is different.