* _The Case of the Angry Artist_ (2015)
* _The Case of the Frightened Fiend_ (2016)
* _The Case of the Runaway Princess_ (2017)
* _The Case of the Daring Duellist_ (2018)
* _The Case of the Deadly Delivery_ (2019)
* _The Case of the Mysterious Masquerade_ (2020)
* _The Case of the Perplexing Puzzle_ (2021)
* _The Case of the Vanished Vampire_ (2022)
* _The Case of the Zealous Zeppelin_ (2023)