Lost Crops of the Incas & Africa

A great reference for information about rare crops. These two online (free!) books chronicle the Lost Crops of the Incas (1989) and Lost Crops of Africa (1996). A whole chapter on the lovely Tree Tomato! (Sent to us by a star volunteer, Brent)
Lost Crops of the Incas
Lost Crops of Africa (Grains)
Lost Crops of Africa (Vegetables)