He is also the author of Even the Dead are Coming (2009), a memoir of Sudan; Crops and Carbon (2011), on agriculture and climate change; three works of fiction, The Lost Baggage of Silvia Guzmán (2014), Three Seasons (2014), and Dog! (2015); and The Nine Horizons (2014), a pen-portrait of some of the countries in which he has worked and travelled since 1987.