Gustav Gloom is a 5-book series with 5 released primary works first released in 2012 with contributions by Adam-Troy Castro.
#1 of 5 in Gustav Gloom
2012 • 7 Readers • 232 pages • 3.5
#2 of 5 in Gustav Gloom
2014 • 1 Reader • 250 pages • 5
#4 of 5 in Gustav Gloom
2014 • 1 Reader • 250 pages • 5
#5 of 5 in Gustav Gloom
2015 • 2 Readers • 250 pages • 5
#6 of 5 in Gustav Gloom
2016 • 1 Reader • 272 pages