• 4 Cooperative Children's Book Center (CCBC)
• 3 MERIT Library
• 1 Information School Library
• 1 Memorial Library
• 1 Special Collections (Memorial Library)

• 14 Books

• 7 History
• 3 Evacuation of civilians
• 2 Brothers
• 2 Friendship
• 2 Gorilla
• 2 Gorillas
• 2 Kindertransports (Rescue operations)
• 2 Orphans
• 2 Secret service
• 2 Spies
• 2 Underground movements
• 2 Villages
• 2 Women
• 1 Adventure and adventurers
• 1 Air pilots
• 1 Casualties
• 1 Children
• 1 Code and cipher stories
• 1 Colonies
• 1 Conscientious objectors
• 1 Cryptographers
• 1 Cryptography
• 1 Death
• 1 Emigration and immigration

• 1 Allende, Isabel
• 1 Block, Simon
• 1 Deacon, Alexis
• 1 Earle, Phil
• 1 Gidwitz, Adam
• 1 HarperCollins (Firm)
• 1 Heng, Rachel
• 1 Kealey, Imogen
• 1 Quinn, Joanna, 1976-
• 1 Quinn, Kate
• 1 Riddle, Frances
• 1 Sandstrom, Brita
• 1 Sedgwick, Julian
• 1 Sedgwick, Marcus
• 1 Shin, Dadu
• 1 Spence-Ash, Laura
• 1 Walliams, David, 1971-
• 1 Waugh, Evelyn, 1903-1966
• 1 Wein, Elizabeth

• 14 English

• 5 England
• 4 London (England)
• 3 France
• 1 Asia
• 1 Austria
• 1 Berlin (Germany)
• 1 Bletchley Park (Milton Keynes, England)
• 1 Germany
• 1 London
• 1 Singapore

• 14 Fiction
• 13 Historical fiction
• 5 Juvenile fiction
• 3 Spy fiction
• 3 Spy stories
• 3 War fiction
• 2 War stories
• 2 novels
• 1 Action and adventure fiction
• 1 Adaptations
• 1 Animal fiction
• 1 Bildungsromans
• 1 Biographical fiction
• 1 Domestic fiction
• 1 Dust jackets (Bindings)
• 1 Fictional Work
• 1 Young adult fiction

Limit year range