I'm very hesitantly entering the world of homemade sourdough, and this book was both very helpful and also stressed me out. It explains each part of the process, and goes deeply into the science of what's going on inside that starter and dough, but all the info isn't really written in a super friendly or accessible way, and maybe goes TOO deep for the average person who just wants to get a loaf baked and tinker with the process later. So, what I did was take a beginner workshop, to get the hang of the process, and now I find myself returning to this book to refine that process and dip into more and more information, the more that I actually understand what I'm doing. So it's an excellent textbook, but really only for the hardcore bread-maker.