"The Lewins' first collaboration recounts their 1997 journey to southern Uganda to view mountain gorillas. Before taking readers along on their expedition, the authors explain the phenomenon of ecotourism that makes such sightings possible: trackers spend up to two years habituating mountain gorillas to the presence of humans. Writing in the present tense, the Lewins emphasize the rough conditions, noting that 'the heat and humidity are dreadful'...