Skulduggery Pleasant: Audio Collection Books 4-6: The Death Bringer Trilogy: Dark Days, Mortal Coil, Death Bringer

Skulduggery Pleasant: Audio Collection Books 7-9: The Darquesse Trilogy: Kingdom of the Wicked, Last Stand of Dead Men, The Dying of the Light

The Maleficent Seven (From the World of Skulduggery Pleasant)

Skulduggery Pleasant: Audio Collection Books 1-3: The Faceless Ones Trilogy: Skulduggery Pleasant, Playing with Fire, The Faceless Ones

The Phantom Tollbooth