On September 3 , 2008 , the publisher Harper Collins issued a public apology for its book `` The Daring Book for Girls '' , scheduled to be published in October , which openly encouraged girls to play the instrument . On September 3 , 2008 , however , publisher Harper Collins issued a public apology for its book `` The Daring Book for Girls '' , scheduled to be published in October , which openly encouraged girls to play the instrument .