[H] 39 Clues #4 Beyond the Grave
[H] 39 Clues #5 The Black Circle
[H] 39 Clues #7: The Viper's Nest
[H] 39 Clues #9: Storm Warning
[H] 39 Clues #10 Into the Gauntlet
[H] 39 Clues Cahills vs. Vespers #3 : The Dead of Night