Hello Ruby https://www.helloruby.com/publishers
Welcome to the whimsical world of computing. Hello Ruby is a children’s book and an app that teaches programming fundamentals through stories and kid-friendly activities. It’s suited for kids between 5 and 8 (but even adults might learn something new).
Leading definition = Font size x 1,3 For example: 13 pt x 1,3 = 17 pt Images Hello