These vintage rice cookbooks are great for anyone who loves cooking with rice. To use them, simply flip through the pages to find recipes that catch your eye. When you're done cooking, you can mark your favorite recipes with a bookmark. As for maintenance, keep them in a dry place to prevent damage. Avoid getting them wet or leaving them in direct sunlight. If there's any dust on the covers, you can gently wipe it off with a soft cloth. Be careful when handling them, especially since the pages might be a bit fragile due to their age. Enjoy exploring all the delicious rice recipes these cookbooks have to offer!