Elmo and his Sesame Street friends know how important it is for everyone to wear a mask--even Oscar the Grouch--in this timely paperback with photos of everyone's favorite muppets! Thanks to Elmo, Oscar, Abby Cadabby, Cookie Monster, and their Sesame Street friends, young boys and girls will learn how and why to wear a face mask. Sesame Street fans will love the bright, colorful photos of the lovable muppets wearing masks throughout this paperback book. And they'll laugh while they're learning how to stay healthy--and keep their friends and family healthy, too. Sesame Workshop, the nonprofit educational organization behind Sesame Street, aims to help kids grow smarter, stronger, and kinder through its many unique domestic and international initiatives. These projects cover a wide array of topics for families around the world.