That tells you a lot. Or not. I showed the cover to another writer and she didn't understand it at all. But, not knowing anything about horses, she is a bit confused by the terminology and what goes on. Another friend thought it is very understandable but she knows horses.
By the time we get to Book 4, we know what Bittersweet Farm is and a little experimentation is a good thing. If we don't shake things up, some of us will get bored, right?