A Colorful and Fun Tour of Philadelphia for the Littlest Explorers. Welcome to Philadelphia! Parent and child eagles tour the City of Brotherly Love in best-selling author-illustrator Martha Day Zschock's Hello! board book series for children. In Hello, Philadelphia! join the pair as they see Benjamin Franklin, play in Fairmount Park, and eat a cheesesteak. Along the way they admire murals, visit museums, cheer on sports teams and, best of all, learn about the founding of our country—from the U.S. Constitution, to the American Flag and the Liberty Bell! For ages 2-5. 6 oz. Author: Martha Zschock. Format: board book. Series: hello.