Hardcover book. Fermented foods are great for your health, and this book is a great resource for learning to use the microbes around you. Wanna learn how to make your own sourdough? Miso? Beer? Yogurt? Injera (Ethiopian sourdough) bread? It's in this handy dandy and super resourceful guide for fermenting in the comfort of your own home. Yummy homemade sour cream, buttermilk, cheese, tempeh, honey wine, and more. Full color photography illustrates the recipes step by step.