Spaniard In Search Of Eternal Life Juan Ponce de Leon was a Spanish explorer who was the first to claim part of North America for Spain. He named and explored Florida and is said to have searched for a fountain of youth. 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.