-CoderDojo is a global movement of free, volunteer-led, programming clubs for young people aged 7-17. -Over 550+ verified Dojos in 55 countries and growing every day. -Book One introduces HTML, CSS, and JavaScript. Learn to create with code in this series of fun handbooks for young people, devised by the fast-growing CoderDojo movement. Collaborate with your friends and start your very own CoderDojo Nano club, with its own website! In this handbook, covering HTML, CSS and JavaScript, you will find clear, step-by-step instructions, followed up by open-ended prompts and challenges which encourage the reader to take the initiative.