We would very much like to hear from readers who would like to contribute to these future volumes. Send your name and the crop in which you're interested to:

Noel D. Vietmeyer, FO 2060

National Academy of Sciences

2101 Constitution Avenue, N.W.

Washington, DC 20418, USA

Fax: (202) 334-2660

Email: nvietmey@nas.edu

Above all, we'd like to appeal for photographs. Locating pictures for this book on grains has been a monumental headache; finding interesting shots for the future volumes will likely be even harder.

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