Figure 9

Feature group importance radar plot. (A) Radar plot of feature group importance for fiction and nonfiction books. Imprint is the most important feature group for both fiction and nonfiction. However, we see that fiction relies more on the author’s previous sale and visibility than nonfiction; while nonfiction relies more on imprint. (B) Radar plot of feature group importance for fiction sub-genres. Imprint is still the most important feature group. For fiction genres, we see that for Fantasy and Thrillers, author’s visibility is much more important than for the Literary genre. Thrillers and Mystery & Detective have higher importance in previous sales than other genres. (C) Radar plot of feature group importance for nonfiction sub-genres. Similarly, imprint is the most important feature group for all sub-genres. Biography relies more on the author’s visibility than his/her previous sales while Religion is the exact opposite