• 25 MERIT Library
• 21 Cooperative Children's Book Center (CCBC)
• 2 College Library
• 2 Information School Library
• 1 Memorial Library

• 55 Books

• 16 Friendship
• 12 Schools
• 12 Young adult fiction
• 8 High schools
• 6 Best friends
• 6 Interpersonal relations
• 5 Identity
• 5 Murder
• 5 Secrets
• 4 Death
• 4 Family life
• 4 Identity (Psychology)
• 4 Investigation
• 4 Memory
• 4 Mental illness
• 4 Secrecy
• 4 Sex crimes
• 4 Sexual abuse
• 4 Social media
• 4 Teenagers
• 3 Amnesia
• 3 Dating
• 3 Dating (Social customs)
• 3 Families
• 3 Gay people

• 2 Jackson, Holly, 1992-
• 2 LaCour, Nina
• 2 LeZotte, Ann Clare
• 1 Abrahams, Peter, 1947-
• 1 Ali, S. K.
• 1 An, Na, 1972-
• 1 Asher, Jay, 1975-
• 1 Booth, Coe
• 1 Buehler, Jennifer
• 1 Callender, Kacen
• 1 Cameron, Sharon, 1970-
• 1 Case, Elysia
• 1 Cronin, Doreen
• 1 Dingman, Alan
• 1 Dominique, Chloe
• 1 Donovan, Gail, 1962-
• 1 Dubosarsky, Ursula, 1961-
• 1 Fitzgerald, F. Scott (Francis Scott), 1896-1940
• 1 Getten, Kereen
• 1 Giles, Amy (Amy S.)
• 1 Golding, William, 1911-1993
• 1 Hall, Leanne, 1977-
• 1 HarperCollins (Firm)
• 1 Hartnett, Sonya
• 1 Heathfield, Lisa

• 54 English
• 1 Russian

• 3 England
• 3 New York
• 3 New York (State)
• 3 United States
• 2 Martha's Vineyard
• 2 Martha's Vineyard (Mass.)
• 2 Massachusetts
• 2 Syria
• 1 Angleterre
• 1 Appalachian Trail
• 1 Australia
• 1 Australie
• 1 Brisbane
• 1 Brisbane (Qld.)
• 1 Brisbane (Queensl.)
• 1 California
• 1 California, Northern
• 1 Californie
• 1 Californie (Nord)
• 1 Chilmark
• 1 Chilmark (Mass.)
• 1 Espace extra-atmosphérique
• 1 France
• 1 Ireland
• 1 London

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