Louis Jolliet was a man of many talents. As explorer, fur trader, and hydrographer, he discovered and charted much of the Mississippi River with Father Jacques Marquette. He was very educated - holding a Master of Arts in philosophy! These popular readers include easy-to-read information, fun facts and trivia, humor, activities and a whole lot more. They are great for ages 7-12 (grades 2-6), because although simple, these readers have substance and really engage kids with their stories. They are great for social studies, meeting state and national curriculum standards, individual and group reading programs, centers, library programs, and have many other terrific educational uses.