- _Praktisk ubrugelige overlevelsestips_ (2011)
- _The Book of Lies_ (2013)
- _The Book of Bad Advice_ (2014)
- _The Book of Horrible Histories_ (2015)
- _The Book of Hilarious Hijinks_ (2016)
- _The Book of Stupid Opfindelser_ (2017)
- _The Book of Epic Fails_ (2018)
- _The Book of Weird World Records_ (2019)
- _The Book of Crazy Laws_ (2020)
- _The Book of Useless Information_ (2021)
Romaner
- _The Dead Kid Club_ (2014)
- _Spøgelset på loftet_ (2015)
- _Skyggen i kælderen_ (2016)
- _Væsenet i skabet_ (2017)
- _Hemmeligheden i væggene_ (2018)
- _Monstret i spejlet_ (2019)
- _Vampyren i kirkegården_ (2020)
noveller
- "Kælderen" (2012)
- "The Attic" (2013)
- "The Closet" (2014)
- "The Walls" (2015)
- "The Mirror" (2016)
- "The Graveyard" (2017)
Artikler
- "Sådan overlever du en zombieapokalypse" (2012)
- "De 10 mest ubrugelige overlevelsestips" (2013)
- "De 5 mest morsomme hijinks" (2014)
- "De 7 mest forfærdelige historier" (2015)
- "De 11 mest dumme opfindelser" (2016)
- "De 13 mest episke fejler" (2017)
- "De 17 mest underlige verdensrekorder" (2018)
- "De 19 mest skøre love" (2019)
- "De 23 mest ubrugelige oplysninger" (2020)