Paperback books are great for carrying around to read when the opportunity presents but they are not constructed for the kind of rough life they lead. When we have favourites that get read over and over again we naturally want to keep them in as good condition as possible.
I have listed here the techniques you can find on this site for repairing your favourite paperback books. There are also many techniques and explanations in the Book Repair Basics section that can be used for paperback book repairs.
Techniques for Paperback Books