Books

No Angel No Angel
2009
Endgame: Sky Key Endgame: Sky Key
2015
Endgame: The Calling Endgame: The Calling
2014
Endgame: Rules of the Game Endgame: Rules of the Game
2016
Endgame - Pelin säännöt Endgame - Pelin säännöt
2016
Ключ небе Ключ небе
2016

Audiobooks

Endgame: Sky Key Endgame: Sky Key
2015
Endgame: Rules of the Game Endgame: Rules of the Game
2016
Falscher Engel Falscher Engel
2009
Otherworld Chronicles: The Invisible Tower Otherworld Chronicles: The Invisible Tower
2012