FOR years, publishers have been flooding the market with adult books on how to be mentally healthy. Now, publishers are turning to the same subject for young readerssome of them surprisingly good books. One of the most appealing is Terry Berger's I Have Feelings (Behavioral Publications; $3.95), the fourth of seven volumes approved by child-development experts from Columbia University's Teachers College, Harvard Medical School and the National Institute of Mental Health.
Feelings shows four-to-nine-year-olds how to cope with their emotionspride, shame, jealousy, loneliness, disappointment. Author Berger first poses the problem: "When...