[hamiltonians]

Stats showing low average earnings for authors is somewhat skewed by nonfiction authors. suspense, fantasy, young adult fiction can pay well.Non-fiction books are more numerous and niche compared to fiction books, which are typically intended for large audiences.

[PuppyTailWags]

This isn't quite correct about which genres make the most. The biggest money makers are Romance/Erotica and Crime/Mystery by an extremely wide margin.