Seed saving 101
To learn when and how to gather seeds from popular garden plants, from corn and beans to zinnias and sunflowers, check out this article: www.seedsavers.org/instructions.html.
A great print resource is Seed to Seed (Second Edition)
by Suzanne Ashworth. This 228-page book is a complete seed-saving guide that describes specific techniques for saving seeds of 160 different kinds of vegetables. It describes how to harvest, dry, clean and store seeds. This book is available from Seed Savers Exchange for $24.95, with discounts for multiple copies. For additional information, visit www.seedsaversexchange.org, or call (563) 382-5990.