"If you do that to your library book the library will probably make you purchase a new one." Sure thing, which is why I would not do this with libary or borrow

"If you do that to your library book the library will probably make you purchase a new one." Sure thing, which is why I would not do this with libary or borrowed books in general, but rather buy it cheap second hand, before I take them to the beach with me. "Treating other people's possesions that you are borrowing with respect is just common courtsey." Sure thing. I was refering to the general habit of rough use of books, not that it is nice or acceptable to treat borrowed things badly.