Don’t just buy a new videogame – make one. Don’t just download the latest app – help design it. Don’t just play on your phone – program it.” Thus Barack Obama exhorted young American students to learn a new language: coding, the programming language. By offering young people a new approach to coding, this books aims to provide them with a new tool to express their creativity, teaching them original and efficient problem-solving techniques as well as showing them the beauty – and possibility – of giving life to their own projects and ideas starting from scratch… or from a blank page.