These philosophy books are great for students or anyone interested in the field. To use them, simply open the book and start reading. You can take notes in a separate notebook. When you're done, close the book gently to keep the binding in good shape. As for maintenance, keep the books away from direct sunlight to prevent further yellowing of the pages. Also, avoid getting them wet. If there's dust on the covers, you can gently wipe it off with a soft cloth. Since the bindings are stiff, don't force the books open too wide to avoid damage.