The Sourdough Tips & Recipes guide offers practical advice on maintaining and using a sourdough starter, covering feeding schedules, storage methods, and troubleshooting common issues. It provides step-by-step instructions for baking sourdough bread, along with recipes for waffles, pancakes, and pizza crust using discard starter. The guide also explains the science behind fermentation, the role of organic acids in sourdough flavor, and essential techniques for achieving a successful, naturally leavened loaf.