by Cynthia F. Panks (Author), Catherine Suvorova (Illustrator), Yip Jar Designs (Designed by)

Twin sisters, Matilda and Monica, visit Santa at the mall and to their surprise, Santa knows each of their names! How does Santa do it? Does he just guess? Even their friends cannot tell Matilda and Monica apart! So on Christmas Eve, the twins put Santa to a twin test!