I highly recommend this book without restriction! But if you do not want to "cry out for clock" your child does not simply want to wait 1-2 years until expected your child's sleep problem has resolved itself: Read this book !!! However, you should bring along some patience, unlike JKKSL and other works here the baby is carefully and gradually weaned the disturbing initiating and maintaining sleep aid, which is not in 3 days. But Ferbern can, if the presented tips really should not work but still ... - right?