This definitive revised and expanded edition includes: A new introduction. Updates based on current groundbreaking research about the brain’s plasticity and the emerging significance of right-brain functioning. New tools for identifying and broadening everyday problem-solving and creative skills with the visual-thinking skills drawing can teach. A new emphasis on using the strengths of the brain’s right hemisphere as an antidote to the life-brain emphasis in modern life – escaping all that is linear, analytic and digital. New reproductions of classic drawings from the Old Masters throughout. This life-changing book, now fully revised and updated, will continue to inspire generations of readers.