Hörbücher
Der Junge von Reaktor 4
2014
The Boy Who Stole from the Dead: Nadia Tesla, Book 2 (Unabridged)
2014
The Boy from Reactor 4: Nadia Tesla, Book 1 (Unabridged)
2013
The Treachery of Russian Nesting Dolls: The Nadia Tesla Series, Book 4 (Unabridged)
2018
The Altar Girl: A Prequel (Nadia Tesla) (Unabridged)
2015
The Boy Who Glowed in the Dark: The Nadia Tesla Series, Book 3 (Unabridged)
2014