These cooking books are great resources for both novice and experienced cooks. To use them, simply pick a book based on the type of cooking you want to do - Dutch oven, outdoor, or Weber - style recipes. Flip through the pages to find a recipe that catches your eye. When reading the recipes, pay attention to the ingredients and cooking times. As for maintenance, since these are older books, handle them gently. Keep them in a dry place away from direct sunlight to prevent further yellowing and damage. If the pages get dirty, you can use a soft, dry cloth to gently wipe them. Also, make sure to close the books properly after use to keep the bindings secure.