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Great storytelling and context in fresh, dynamic history.
By Kate Schatz
Inspiring profiles of women who started their own companies.
By Diana Kapp
Inspiring true story of teen coders' video game success.
By Andrea Gonzales, Sophie Houser
YouTube superstar makes learning about the cosmos fun.
By Charlie McDonnell
Mini-lessons build big coding know-how for tweens to adults.
Devices: iPhone, iPod Touch, iPad