Film director Steve McQueen
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'How did I not know this book?'

British film director Steve McQueen says he was "very upset" with himself for not knowing about Solomon Northup's 1853 memoir, 12 Years a Slave.

British film director Steve McQueen says he was "very upset" with himself for not knowing about Solomon Northup's 1853 memoir, 12 Years a Slave.

Speaking ahead of the European premiere of the film, which stars Chiwetel Ejiofor as Northup, McQueen said he came to realise no one he knew "knew about this book, and that's when I made it my passion to make this movie."