BookBox brings you animated stories in English, French, Spanish, Hindi and more. Many more 'AniBooks' and languages are on the way. The stories are powered by Same Language Subtitling (SLS), a scientifically proven feature to improve reading, vocabulary, and listening comprehension skills. Watch your kids have fun with the app as they subconsciously improve their reading and language skills in their first and second language(s).   BookBox was born from a social innovation competition at Stanford University. Yes, first prize!