- The school for whatnots, Margaret Peterson Haddix
- The always war, Margaret Peterson Haddix
- Among the betrayed, Margaret Peterson Haddix
- Falling out of time, Margaret Peterson Haddix
- Among the Barons, Margaret Peterson Haddix
- The summer of broken things, Margaret Peterson Haddix
- Haddix, Margaret Peterson, Greystone secrets, 1
- Running out of time, Margaret Peterson Haddix
- Among the free, Margaret Peterson Haddix
- Among the hidden, Margaret Peterson Haddix
- The ghostly photos, Margaret Peterson Haddix
- The strangers, Margaret Peterson Haddix ; art by Anne Lambelet
- Among the free, Margaret Peterson Haddix
- Among the betrayed, Margaret Peterson Haddix
- Haddix, Margaret Peterson, Children of exile, 2
- Children of refuge, Margaret Peterson Haddix
- Uprising, Margaret Peterson Haddix
- Among the impostors, Margaret Peterson Haddix
- Children of exile, Margaret Peterson Haddix
- Among the hidden, Margaret Peterson Haddix
- Haddix, Margaret Peterson, Greystone secrets, 2
- Under their skin, Margaret Peterson Haddix
- Among the hidden, Margaret Peterson Haddix
- The secret letters, Margaret Peterson Haddix
- Double identity, Margaret Peterson Haddix
- Among the enemy, a Shadow Children book, Margaret Peterson Haddix
- The deceivers, Margaret Peterson Haddix
- Say what?, Margaret Peterson Haddix ; illustrated by James Bernardin
- Into the gauntlet, Margaret Peterson Haddix
- Among the free, Margaret Peterson Haddix
- The messengers, by Margaret Peterson Haddix
- Among the brave, Margaret Peterson Haddix
- The strangers, Margaret Peterson Haddix ; art by Anne Lambelet
- Among the enemy, Margaret Peterson Haddix
- Haddix, Margaret Peterson, Mysteries of trash & treasure, 2