Julie Postance is the author of Breaking the Sound Barriers: 9 deaf success stories (2009). She wrote the book while working for a deaf children's charity where she discovered the ...mehr sehenJulie Postance is the author of Breaking the Sound Barriers: 9 deaf success stories (2009). She wrote the book while working for a deaf children's charity where she discovered the great need for a hands on resource for hearing parents of newly diagnosed deaf and hard of hearing children. Julie is a freelance writer, ghostwriter, communications, marketing and publishing specialist. She has ghostwritten a number of non-fiction books on subjects including baby sign language, health and fitness, cosmology and dating.weniger sehen