If you like equine mystery stories, then this author is a must read! Sasscer Hill wrote Venomous and Pretty Fraudulent and both short stories will have you craving for more, so check out her other books.
Both have a female protagonist who happens upon bad guys trying to do bad things in an equine setting. Since they are short, I won't give the tales away. The author not only gives a realistic horsey background, but also writes clearly with excellent descriptions, characters and dialog.
Enjoy the ride, however brief, and then read her novels!