- New York (N.Y.) -- History -- 20th century -- Young adult fiction
- Genetic engineering -- Young adult fiction
- Spies -- Young adult fiction
- Murder suspects -- Young adult fiction
- Psychic trauma -- Young adult fiction
- Justice -- Young adult fiction
- Youth -- Young adult fiction
- Secret societies -- Young adult fiction
- Jews -- Poland -- Young adult fiction
- African Americans -- Young adult fiction
- Ability -- Young adult fiction
- Lesbians -- Young adult fiction
- Antiheroes -- Comic books, strips, etc -- Young adult fiction
- Sexual abuse -- Young adult fiction
- Friendship -- Young adult fiction
- Superheroes -- Comic books, strips, etc -- Young adult fiction
- Identity (Philosophical concept) -- Young adult fiction
- Subways -- Young adult fiction
- Demonology -- Young adult fiction
- Self-confidence -- Young adult fiction
- Orphanages -- Young adult fiction
- Schools -- Young adult fiction
- Fathers and daughters -- Young adult fiction
- Popularity -- Young adult fiction
- Mothers and daughters -- Young adult fiction
- Hispanic Americans -- Young adult fiction
- Death -- Young adult fiction
- Batman, (Fictitious character) -- Comic books, strips, etc. -- Young adult fiction
- Mythology, Greek -- Young adult fiction
- Extraterrestrial beings -- Young adult fiction
- Artists -- Young adult fiction
- Supernatural -- Young adult fiction
- Adventure and adventurers -- Comic books, strips, etc -- Young adult fiction
- New York (N.Y.) -- Young adult fiction
- Friendship -- Comic books, strips, etc -- Young adult fiction
- Fairies -- Young adult fiction
- Secrets -- Young adult fiction
- Holocaust survivors -- Young adult fiction
- Best friends -- Young adult fiction
- Holocaust, Jewish (1939-1945) -- Poland -- Young adult fiction