"In the course of my research," writes D. Fairchild Ruggles, «I devoured Arabic agricultural manuals from the tenth through the fourteenth centuries. I love gardening, and in these texts I was able to enter the minds of agriculturalists and botanists of a thousand years ago who likewise believed it was important and interesting to record all the known ways of propagating olive trees, the various uses of rosemary, and how best to fertilize a garden bed.» Western admirers have long seen the...