I was surprised also. Since the series had ended I didn’t go to her site too often, but wanted to check something & was surprised to read she had passed away .
There is also a cat series featuring a black cat named Midnight Louie. The author died a few years ago, but had already ended the series. After the first 2 she has a color in each title, but started with blue. They renamed the first two and she had a wrap up after Z so there are 28 books. I discovered the series when Midnight joined the family & was hooked.
My Midnight was 40 pounds, but he wasn’t fat. He was just a big cat. He sort of reminded me of a race horse with the long legs made for speed. Screaming was a 20 pound cat. He had the short thicker legs & they reminded me of a race horse standing next to a Clydesdale.
Good luck. I hope you can help.