These stamp collecting books are a great resource for both new and experienced collectors. To use them, you can start by skimming through the contents to get an overview. For 'The Stamp Finder', use it to quickly locate stamps. The catalog books can be used to check the prices of stamps. When handling these books, wash your hands to avoid soiling the pages. Keep them in a dry and cool place to prevent damage from humidity. If you need to mark a page, use a bookmark instead of folding the corner. For 'The Stamp Finder' with the soiled covers, you can gently wipe them with a soft, dry cloth. Overall, these books will be a valuable addition to your stamp - collecting journey.