The Dark Hills divide
2005
Skeleton Creek
2009
The Tenth City (The Land of Elyon, #3)
2006
Ghost in the machine
2009
The Black Circle (The 39 Clues, #5)
2009
The Dark Hills Divide (The Land of Elyon, #1)
2005
Beyond the Valley of Thorns (The Land of Elyon, #2)
2005
Skeleton Creek 03 The Crossbones
2010
Into the Mist (The Land of Elyon, #0.5)
2007
Floors
2011
Atherton #1
2007
Beyond the valley of thorns
Black Circle (the 39 Clues, Book 5)
2011
The Dark Hills Divide (Land of Elyon Book 1)
2005
Land of Elyon Book 2, The
2005
Dark Eden
2011
The Raven Skeleton Creek
2011
Atherton
2007
Thirteen days to midnight
2010
The field of wacky inventions
2013
Pulse
2013
Trackers
2010
