To use this guide, simply flip through the pages to find information on different turfgrass diseases and insects. When you come across a disease or insect you suspect in your turf, refer to the detailed descriptions and pictures. Keep this guide in a dry place to avoid damage. If you're using it outdoors, protect it from the elements. Don't bend the pages too forcefully to keep the binding tight. Check the guide regularly for reference as new diseases or insects might appear in your turf over time.