A three-year-old is a real puzzle to parents, sometimes anxious to please and befriend, sometimes strong-willed and difficult to get along with. At the heart of

Are two-year-olds really so terrible, or does the world have a slightly skewed view of this sometimes difficult, sometimes adorable lot? Drs. Ames and Ilg, reco

A five-year-old is a wonderful, fun-loving, exuberant child. But what’s going on inside that five-year-old head? What stages of development does a child this

What is it about four-year-olds that makes them so lovable? What problems do four-year-olds have? What can they do now that they couldn't do at three? Drs. Ames

A three-year-old is a real puzzle to parents, sometimes anxious to please and befriend, sometimes strong-willed and difficult to get along with. At the heart of