~ The sixth novel in the Earth series, titled Comet Minor. This 376-page novel, was first published in 2019. The sixth book in the Bumi series tells the adventures and journeys of Raib, Seli, and Ali in facing the main antagonist, the Crownless in a parallel world.

When the novel Komet Minor was published, many loyal readers thought that this novel was the end of the Earth series. However, who would have thought that the story in this novel still contains many mysteries and puzzles that need to be solved in the next novel. Moreover, after their fight with the Crownless.