I don't think people should burn books, ban books or throw books away but I do think they are meant to be used in a way that best suits the reader. I have books from university, graduate school especially, which are filled with my notes, thoughts, on related and even unrelated topics that come to mind.

My Norton Anthologies, Oxford and Penguin Complete Works, Histories of Art all have my scribbles in the margins along with arrows, highlights, underlines and circles, all precious memories.

There...