A former English major decides to take some trips down Interstate 80 in the company of geologists. I 80 runs from Teaneck, New Jersey, to San Francisco, a journey of 2901 miles. Annals is a title borrowed from one of the founding documents of geology, by James Hutton: “ To a naturalist nothing is indifferent; the humble moss that creeps upon the stone is equally interesting as the lofty pine which so beautifully adorns the valley or the mountain: but to a naturalist who is reading in the face of rocks the annals of a former world, the mossy covering which obstructs his view, and renders undistinguishable the different species of stone, is no less than a serious subject of regret.” McPhee, John. Annals of the Former World (p. 77). Farrar, Straus and Giroux. Kindle Edition. Science is always a detective story, but in geology it finds its purest form. McPhee’s book is about the stories those rocks reveal and the geologists who read and tell them. The interstate system, with it