Attachment matters -- What's behind the face -- Crossing into a new ocean : pregnancy, birth, and the newborn period -- We're still breathing! : the two-month-old -- There is someone in there! : the four-month-old -- Knowing the clan : the six-month-old -- There's a stranger amongst us! the nine-month-old -- Free at last : the twelve-month-old -- I think, therefore I am: the eighteen-month-old -- Where did he hear that word? : the two-year-old -- Shifting to the left : the three-year-old -- I can do it myself : the four-year-old -- Baby on the go.