Appeal factors are the characteristics that engage the reader and include the book’s pacing, the level of character development, the types and complexity of language used, the mood of the story, and the book’s overall tone.
I’m excited to try out some of the tools they link to. Right away I see so many new-to-me interesting titles on whichbook.
Great resource! It’s so hard to find books that deal with complex themes these days and aren’t afraid to let their readers explore the world a bit.