Sandor Ellix Katz 
Wild Fermentation [PDF ebook] 
A Do-It-Yourself Guide to Cultural Manipulation

A classic beginner’s guide to basic home fermentation of just about anything, Wild Fermentation is a great resource by one of the world’s foremost experts on the topic. Includes easy to read and inspiring instructions to get you started making anything fermentable, from bread to cheese to yogurt to kimchi to miso to injera to beer to even chocolatein the comfort of your own home. Who knew making tasty, healthy, interesting food could be so easy?