• 33 Cooperative Children's Book Center (CCBC)
• 6 Memorial Library
• 4 College Library
• 3 Information School Library

• 70 Books
• 6 Sound Recordings

• 6 Compact Discs

• 26 Schools
• 25 Magic
• 22 Wizards
• 21 Hogwarts School of Witchcraft and Wizardry (Imaginary organization)
• 16 Potter, Harry (Fictitious character)
• 14 Families
• 11 Family life
• 8 Granger, Hermione (Fictitious character)
• 8 History
• 8 Weasley, Ron (Fictitious character)
• 7 Friendship
• 7 World War, 1939-1945
• 6 Witches
• 4 Adventure and adventurers
• 4 Fantasy
• 4 Fathers and daughters
• 4 Mystery and detective stories
• 4 Orphans
• 4 Refugees
• 4 Time travel
• 3 Adventure stories
• 3 Boarding schools
• 3 Coming of age
• 3 Courage
• 3 Fate and fatalism

• 19 Rowling, J. K
• 6 GrandPré, Mary
• 6 Rowling, J. K.
• 4 Almond, David, 1951-
• 4 Dale, Jim
• 4 Fritz, Klaus
• 2 Dowd, Siobhan
• 2 Gardner, Sally
• 2 McKay, Hilary
• 2 Rosoff, Meg, 1956-
• 2 Travers, P. L. (Pamela Lyndon), 1899-1996
• 1 Anderson, Jodi Lynn
• 1 Astrologo, Marina
• 1 Balen, Katya
• 1 Balliett, Blue, 1955-
• 1 Barnett, Mac
• 1 Bartezzaghi, Stefano, editor
• 1 Benalcazar, Monica
• 1 Blackstone Audio, Inc.
• 1 Brilliance Audio (Firm)
• 1 Candlewick Press
• 1 Cauley, Lorinda Bryan
• 1 Clark, Yvette
• 1 Cooper, Susan, 1935-
• 1 Crawford-White, Helen

• 64 English
• 6 German
• 3 Spanish
• 1 Chinese
• 1 French
• 1 Italian

• 9 London (England)
• 8 Great Britain
• 7 London
• 2 Moon
• 2 Northumberland (England)
• 1 Bristol
• 1 California
• 1 Cornwall (County)
• 1 Cornwall (England : County)
• 1 Cotswold
• 1 Delft (Netherlands)
• 1 Hayling Island (England)
• 1 Kansas
• 1 Kielder Water (England)
• 1 Los Angeles
• 1 Malaysia
• 1 Netherlands
• 1 Northumberland
• 1 Tanzania
• 1 Wisconsin
• 1 Zimbabwe

• 66 Fiction
• 15 Fantasy fiction
• 11 Young adult fiction
• 7 Historical fiction
• 6 Children's stories
• 6 Novels
• 5 Audiobooks
• 5 Juvenile
• 4 Children's audiobooks
• 4 Science fiction
• 3 Action and adventure fiction
• 3 Fantasy literature
• 3 Fictional Work
• 3 Humorous fiction
• 3 Picture books
• 2 Adventure fiction
• 2 Comic books, strips, etc
• 2 Detective and mystery fiction
• 2 Domestic fiction
• 2 Dust jackets (Bindings)
• 2 English fiction
• 2 German language materials
• 2 Ghost stories
• 2 Graphic novels

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