CORNWALL – Cornwall Public Library’s 2018 Summer Reading Program, “Libraries Rock” officially begins on June 25 at 6 p.m., with its annual kick-off and registration event with Marvelous Mutts.Marvelous Mutts have wowed crowds throughout North America, Canada and South America, performing at fairs, festivals, theme parks, and more. The shows feature some of the world’s finest canine athletes, all adopted from shelters and rescues.