Margaret Peterson Haddix
Found
Sent
Among the Free
Double Identity
Among the Hidden
Among the Impostors
Running Out of Time
Under Their Skin
Among the Barons
Among the Impostors
Revealed
Running Out of Time
Rescued
Torn
Claim to Fame
Sought
Leaving Fishers
Among the Hidden
Greystone Secrets #1: The Strangers
Found
Redeemed
Into the Gauntlet
Redeemed
Among the Impostors (Shadow Children)