- "The House of Whispers" (2019)
- "Lost in the Shadows" (2018)
- "The Black Hour" (2017)
- "The Asylum" (2016)
Tietokirjallisuus:
- "Kirjan salainen elämä" (2021)
- "Kirjan tarina" (2019)
- "Kirjan keksintö" (2017)
- "The Book:A History of the Book from Scrolls to the Digital Age" (2015)