Obsession takes many forms. Alexander, already a seasoned horticultural adept, now turns his attention to producing the ultimate loaf of bread. To achieve perfection in so simple a creation (yeast, water, flour), Alexander husbands his own field of wheat. He learns to raise this ancient grass, harvest it, prepare the grain, grind it to flour, knead it with the purest water, generate the active microorganisms to puff up the dough, and then bake that dough to produce a properly satisfying crumb within a flawless crunchy brown crust. He researches his topic thoroughly, but realizes he needs more hands-on tutelage. Moreover, the definition of a perfect loaf changes both by place and time. Alexander travels the world to learn from masters of bread baking in various styles, ending up in a Norman monastery. Impressed with the monks' daily spiritual discipline, Alexander structures this account of his quest according to the ancient canonical hours