Malala Yousafzai, the youngest winner of the Nobel Peace Prize, has celebrated her 18th birthday in Lebanon by opening a school for Syrian refugee girls and calling on world leaders to invest in “books not bullets”.

Read more: http://www.abc.net.au/news/2015-07-12/nobel-winner-malala-yousafzai-opens-school-for-syrian-refugees/6614170?WT.mc_id=newsmail