- How much money do chess book authors make per book? https://www.reddit.com/r/chess/comments/8vtxdr/how_much_money_do_chess_book_authors_make_per_book/ 40 comments chess
- How much do authors make per book? "The median income of people who described themselves as full-time authors was just $20,300 when including all book-related activities" https://bookriot.com/how-much-do-authors-make-per-book/#:~:text=The%20majority%20of%20authors%20don,writers%20in%20the%20United%20States. 750 comments books