Amaranth to Zai Holes, Ideas for Growing Food under Difficult Conditions (ECHO, 1996, 397 p.)
1: Basics of agricultural development
Selecting suitable tropical crops
Technical note: selecting the right crop for your location in the tropics or in the subtropics
Technical note: Comparison charts of tropical crops
What seed would you take to an uninhabited tropical island?
How can I garden in the hot humid tropics?