To use this dictionary set, simply open to the alphabetical section where the word you're looking for should be. Flip through the pages to find the entry with detailed definitions and usage examples. When handling the books, be gentle due to the loose bindings. To maintain them, store the books on a flat and stable shelf to prevent further shelf - cocking. You can use a soft, dry cloth to gently clean the covers and remove light dust. Avoid exposing the books to direct sunlight for long periods as it may fade the pages and covers. Also, keep them in a dry environment to prevent mold or mildew growth.