Some people scribble in books. Some don’t. Some people (like former Supreme Court Justice William O. Douglas) chuck books with marginalia out the window.
Mark Dimunation was on the committee that selected the 88 books for the Library of Congress's current "Books That Shaped America" exhibit. Recently he did an interview with NPR's Lynn Neary in which he explained how he arrived at his decisions to include such works as Goodnight Moon, The Joy Of Cooking, and Uncle Tom's Cabin.