Those involved in growing for chefs will enjoy The Food Lovers Garden by Mark Diacomo. Mark is the gardener for River Cottage, a name familiar to anyone interested in the principles of "less dependence on the outside world, food integrity, and the consumption of local, seasonal produce." There are plenty of good resources for those who want to raise standard varieties for run-of-the-mill markets, for those of us pursuing a higher return, or more epicurean markets, this is a useful book.

Here is a link that might be useful: River Cottage