Sisters English fiction 28 Twins 27 Family life 14 Fiction 12 Mystery and detective stories 12 Family secrets 10 Murder 10 Death 8 Impersonation 8 Mothers and daughters 8 Schools 8 Friendship 7 Abandoned children 6 Dead 6 Individuality 6 JUVENILE FICTION / Fantasy & Magic 6 Love 6 Parties 6 Seaside resorts 6 Sibling rivalry 6 Sirens (Mythology) 6 Social classes 6 Chinese American women 5 Babies 4 Ballet 4 Behavior 4 Birthdays 4 Chickens 4 Christian life 4