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So at the age of 11, she launched the campaign #1000BlackGirlBooks
to identify books featuring people of color as protagonists.
Over the past three years, Dias has collected more than 11,000 books. She is in the process of donating all the books and has given more than half to what she describes as "predominantly black and underserved" communities in the US, Haiti, Ghana, Jamaica and the UK.
The young activist from New Jersey has even gone on to author her own book -- "Marley Dias Gets It Done" -- and is currently developing an app so kids can find "black girl books" more easily.