This friendly, fun biography series focuses on the traits that made our heroes great--the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of an icon in a lively, conversational way that works well for the youngest nonfiction readers and that always includes the hero's childhood influences. At the back are an excellent timeline and photos. This book features Leonardo da Vinci, the Renaissance artist and inventor. He always followed his interests, no matter where they led! His quest to fly led him to study birds' wings and his invention designs were the very earliest sketches of helicopters and other flying machines. Da Vinci's hard work and dedication to his curiosities is why we still remember him today.