She was the first female writer to win the Nobel Prize in Literature , and most widely known for her children 's book `` Nils Holgerssons underbara resa genom Sverige '' ( `` The Wonderful Adventures of Nils '' ) .
In 1909 , she was awarded the Nobel Prize in Literature becoming the first woman to do so . She is mostly known for her children 's book `` Nils Holgerssons underbara resa genom Sverige '' ( `` The Wonderful Adventures of Nils '' ) .