This is a new research-based guide to baby-care from the world-renowned authority on child development, Penelope Leach. This outstanding new guide to parenting from the expert who transformed the way we raise children. Penelope Leach draws on her unrivalled experience to help you bring up your baby in the first year. Kind, reassuring guidance on practical childcare issues including feeding, sleeping and crying is backed up by key new evidence on the way babies' brains develop, to help you understand and respond to your baby. Penelope Leach's baby-led, reliable approach has guided millions of mothers worldwide. With her frank, honest and sympathetic advice, you will be able to make your own informed decisions about what's best for your child.