lion is a film based on the nonfiction book a long way home published in 2014
lion is a 2016 biographical film directed by garth davis lrb in his feature debut rrb and written by luke davies  based on the nonfiction book a long way home by saroo brierley with larry buttrose
an autobiographical account of his experiences  a long way home  was published in 2013 in australia  released internationally in 2014  and adapted into the 2016 film lion  starring dev patel as saroo and nicole kidman as his adoptive mother  sue brierley