These Nancy Drew Files books are great for enjoying detective stories. To use them, simply sit back, relax, and start reading. As they're vintage books, handle them gently to avoid further wear. When not in use, store them in a dry and cool place to prevent damage from humidity or extreme temperatures. Be careful not to spill anything on the pages. If you notice any loose pages, you can use a bit of archival glue to re - attach them. Remember, the pictures might not show the exact books you'll get, so don't be surprised if there are minor differences.