Two sets of sisters learn about family relationships during a vacation they share at a beach cottage.
9780143167600 (trade pbk.) (Penguin)
014316760X (trade pbk.) (Penguin)
0140380566 (trade pbk.) (Puffin)
0060239042 (lib. bdg.)
New York : Harper & Row, c1975.
247 p. : ill. ; 21 cm.
Publisher, pagination and printing dates may vary.