- _Alexander_ (2009)
- _Dead Girls Lie_ (2010)
- _The Stones That Remain_ (2011)
- _Guttene på Baker Street_ (2012)
- _The Circle of Blood_ (2013)
- _The Rules of Survival_ (2014)
- _Jenta i den blå frakken_ (2015)
- _The End of Days_ (2016)
- _The Last Girl Standing_ (2017)
- _Jenta i slottet_ (2018)
- _The Blood of Olympus_ (2019)
- _The Trials of Apollo_ (2020)
- _Tårnet av Nero_ (2021)
Noveller:
- "The Last Days of Pompeii" (2011)
- "The Ghost of Baker Street" (2012)
- "The Mystery of the Blue Room" (2013)
- "The Curse of the Pharaohs" (2014)
- "The Secret of the Lost City" (2015)
- "The Adventure of the Orient Express" (2016)
- "The Case of the Missing Manuscript" (2017)
- "The Mystery of the Haunted House" (2018)
- "Århundrets forbrytelse" (2019)
- "The Puzzle of the Missing Piece" (2020)
Andre skrifter:
- _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)
- _The Making of The Tower of Nero_ (2021)