She can learn just about anything nowadays from sites like Coursera, edx, and Udacity. Books like Realm of Racket can be fun introductions to programming that happen to teach some advanced stuff. Books that the parent's might like are Carol Dweck's Mindset, Barbara Oakley's A Mind for Numbers, and Angela Duckworth's Grit. If she shows an interest in mathematics, the Art of Problem Solving books and forums are great.
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