I’ve been rated between 1200-1300 for 5 years now with no indication of any upward trend despite hiring a chess coach and studying. There’s just no helping some of us!

Yup. They’re not selling eBooks, they’re leasing licenses to eBooks. Vastly different.

Could be a good thing or a bad thing for you; Witch King is very, very different from the Murderbot series. I see a lot of people liking one and hating the other (in both directions), and not a lot of people liking both.

My advice would be to have your expectations set like it was a completely different author.