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Unlocked Harry Potter Chodos and Riordon describe how'A welcome counterpoint to the technopanic that screen time is causing a mental health crisis' Bruce Hood 'A rare mix of trustworthy science, practical advice, and human stories I'm going to recommend it to all the parents I know, and keep it handy for reference next time I see a scary headline about how technology is ruining our lives' Timandra Harkness 'Punctures some of the most pernicious myths about our smartphone and screen dominated lives,