Affiliate Marketing Secrets

I wrote a book earlier this year call ‘In a City Named Joy’ and it is available on Amazon.com. I wanted to know if this was a good summary or not. I would also appreciate it if you could suggest a way to improve it.
When Amy Harris, Morgan Anderson, and Brittany Edwards move to a small hill next to a city named Joy, they find that things may not be as normal as they expect. The women are shocked when the people in the city aren’t as nice as they would have considered for a city with such a name. Brittany stops a man from destroying a super market and Morgan tries to help a man cure his five year old sister. Amy seems to have just been taken along for the ride.In the middle of all of this a
scientist is trying to make himself famous by creating an invention to kill the people on death row.
When this is tried out on a young woman named Grace, who has an unusual habit of killing people with their worst fears, things go wrong. Amy, Morgan, and Brittany end up having to save the city with the help of two men that they met in the city and the Immortal who insists on helping even though Immortals tend to think highly of themselves because they can’t die.

Hey I am a pretty advanced ride but I am always open to suggestions on how to improve my schooling.
I’m currently riding 8 horses, all ranging in experience. But at the moment, I’m mostly riding my own -14.3hh welsh, only just got him, used to jump affiliated but then was left in a field wasted. He also used to event, so did have an outline, but his muscle is poor and he’s lost his outline. Any tips on how to strengthen muscles, I know down hill work is good, which I do 3 times a week but any more tips. I have jumps and poles so can to gridwork and jumping.
I also have my gorgeous mare, who came to me and she was a horse that was very nervous as she had been in her old home all her life, so she was completely out of her comfort zone and was cantering on the spot, jumping around, just so scared. (Bless her) So I’m currently riding another horse to give her confidence and leading her in hand, which she seems to like a lot because she gets to know her surroundings. Her previous home used to go to shows which was local as they could hack there, but I can see soooo much potential in her I want to do shows all over the country, which I think she was more than able. But I need some tips on how to make her more confident and comfortable out of her surroundings. Any ideas?
Thanks for the help!