Well, not necessarily during a bathroom break (sometimes, I just don't multitask) but I use Cool Reader, which is an eReader app. My phone contains all of the b

Well, not necessarily during a bathroom break (sometimes, I just don't multitask) but I use Cool Reader, which is an eReader app. My phone contains all of the books that I have, some of which I haven't read yet, and I use the app to resume reading.