State of being engrossed in finishing a book to get to the next book in the pile.
Not able to communicate with significant other or best mate due to the neccessity or reaching the end of the chapter.
Going through the Sunday paper from front to classifieds, then reading another Sunday paper.
In this state, 'How to Kiss' is just volume 4 of the encyclopedia.
Not sleeping until you pass out in the open pages, waking with papercuts on your chin.
Going to the bookstore or library for a certain book and returning with a dozen... each week.