- Series: Gustav Gloom Series Record # 31882
- Webpages: gustav.malibulist.com
- Series Tags: juvenile fantasy (6)
- Gustav Gloom
- 1 Gustav Gloom and the People Taker (2012) by Adam-Troy Castro
- 2 Gustav Gloom and the Nightmare Vault (2013) by Adam-Troy Castro
- 3 Gustav Gloom and the Four Terrors (2013) by Adam-Troy Castro
- 4 Gustav Gloom and the Cryptic Carousel (2014) by Adam-Troy Castro
- 5 Gustav Gloom and the Inn of Shadows (2015) by Adam-Troy Castro
- 6 Gustav Gloom and the Castle of Fear (2016) by Adam-Troy Castro