The famous Renaissance artist and inventor Leonardo da Vinci is the twentieth hero in the New York Times bestselling picture book biography series. 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.This friendly, fun biography series inspired the PBS Kids TV show Xavier Riddle and the Secret Museum. One great role model at a time, these books encourage kids to dream big. Included in each book are:    • A timeline of key events in the hero’s history     • Photos that bring the story more fully to life   • Comic-book-style illustrations that are irresistibly adorable   • Childhood moments that influenced the hero   • Facts that make great conversation-starters    • A virtue this person embodies: Leonardo da Vinci's creativty is seen in everything he accomplished in his life  You’ll want to collect each book in this dynamic, informative series!