- _Aleksanteri_ (2009)
- _Dead Girls Lie_ (2010)
- _The Stones That Remain_ (2011)
- _The Boys on Baker Street_ (2012)
- _The Circle of Blood_ (2013)
- _The Rules of Survival_ (2014)
- _The Girl in the Blue Coat_ (2015)
- _The End of Days_ (2016)
- _The Last Girl Standing_ (2017)
- _The Girl in the Castle_ (2018)
- _Olympuksen veri_ (2019)
- _Apollon koettelemukset_ (2020)
- _Neron torni_ (2021)
Novellit:
- "Pompejin viimeiset päivät" (2011)
- "The Ghost of Baker Street" (2012)
- "Sinisen huoneen mysteeri" (2013)
- "The Curse of the Pharaohs" (2014)
- "Kadonneen kaupungin salaisuus" (2015)
- "The Adventure of the Orient Express" (2016)
- "Kadonneen käsikirjoituksen tapaus" (2017)
- "The Mysteeri of the Haunted House" (2018)
- "Vuosisadan rikos" (2019)
- "The Puzzle of the Missing Piece" (2020)
Muut kirjoitukset:
- _The Making of Alexander_ (2009)
- _The Making of Dead Girls Lie_ (2010)
- _The Making of the Stones that Remain_ (2011)
- _The Making of The Boys on Baker Street_ (2012)
- _The Making of The Circle of Blood_ (2013)
- _The Making of The Rules of Survival_ (2014)
- _The Making of the Girl in the Blue Coat_ (2015)
- _The Making of The End of Days_ (2016)
- _The Making of The Last Girl Standing_ (2017)
- _The Making of the Girl in the Castle_ (2018)
- _The Making of The Blood of Olympus_ (2019)
- _The Making of The Trials of Apollo_ (2020)
- _Neron tornin tekeminen_ (2021)