Book excerpt: The impossible is possible when kids dare to dream big! Discover the courageous kids who aimed high and made a difference! Every great scientist, activist, writer, and inventor started out as a child with a dream. With illustrations by Vesna Asanovic, Jennifer Calvert's Teen Trailblazers: 30 Daring Boys Whose Dreams Changed the World explores the stories of 30 of these remarkable kids, whose passions led to lifesaving medical treatments, revolutionary inventions, and history-making achievements. From groundbreaking innovators like Boyan Slat and the Wright brothers; to powerful advocates like Nelson Mandela, Harvey Milk, and David Hogg; and creative minds like Walt Disney, Fred Rogers, and John and Hank Green, each one turned his dreams for a better world into reality. Dive into the amazing adventures, intrepid efforts, and hard-won victories of trailblazers such as: - Louis Braille - Wilbur & Orville Wright - Mohandas Gandhi - Jonas Salk - David Attenborough - Barack Obama - Satoshi Tajiri - Lin-Manuel Miranda - Jaques Cousteau - Boyan Slat and other ordinary boys who dared to do incredible, impossible, and inspiring things.