With this Eagle Optics Kingbird binocular package, you have a blue-ribbon combination of binocular and field guide guaranteed to inspire a love and curiosity of the natural world. Eagle Optics' longtime practice of supporting youth education extends to your family as we offer savings on Bill Thompson's fantastic Young Birder's Guide packaged with the purchase of a Kingbird binocular. The Kingbird adjusts easily to a youngster's small face and the slim barrels are comfortable for anyone to hold. The Young Birder's Guide offers an engaging format that teaches a valuable lesson for birders of all ages: Look, Listen, Remember, and Find. Every parent places a high value on their child's education—Eagle Optics makes that education a little more affordable.