Not a book, but you might like to have a look at https://projects.raspberrypi.org/en/paths https://projects.raspberrypi.org/en/paths We're adding more paths so

Not a book, but you might like to have a look at https://projects.raspberrypi.org/en/paths https://projects.raspberrypi.org/en/paths We're adding more paths soon, including a More Python path and an Introduction to Unity path. The paths build up skills and then build up independence. Kids can start with Scratch then move on to Python etc/