CulturedBy: Katherine Harmon Courage A revealing look at the 300 trillion microorganisms that keep us healthyand the foods they need to thrive These days, probiotic yogurt and other "gut friendly" foods line supermarket shelves. But what's the best way to feed our all important microbiomeand what is a microbiome, anyway? In this engaging and eye opening book, science journalist Katherine Harmon Courage investigates these questions, presenting a deep dive into