02:15The Invention of ChildhoodThe Vast Usefulness of ReadingBBC Radio 4 Extra Duration: 15 minutes Thu 23rd Jun 2016, 02:15 on BBC Radio 4 ExtraMichael Morpurgo explores education's expansion for boys in the 17th century, and when boyhood ended and manhood began.GenresFactualHistorySeriesThe Invention of Childhood Source: BBC Online