Ray Speakman & Ian Warwick 
Learning With Leonardo: Unfinished Perfection: Making children cleverer: what does Da Vinci tell us? [EPUB ebook] 

What are the seven key concepts that drove Da Vinci’s inventive thinking and how can we still use them to improve our own creativity, 500 years after his death? In pursuit of the unified learning principles that sit at the heart of his work, Ian Warwick and Ray Speakman brilliantly explore the approaches that we need to take to make our own learning more original and thoughtful.