africa barnsoldater biography boysoldiers children childsoldiers civilwar(sierraleone:1991-2002)fast(ocolc)fst01721073 historia history juvenile juvenileliterature juvenileparticipation kind largetypebooks militaryparticipation newyorktimesbestseller newyorktimesreviewed nyt:paperback_nonfiction=2010-10-30 personalnarratives readinglevel-grade10 readinglevel-grade11 readinglevel-grade12 sierraleone socialconditions soldat soldiers west