Mystery at Black Horse Farm(which sold over one hundred thousand copies worldwide) features Yasmine and her black pony Flint. When Yasmine gets the opportunity to travel together to summer horse camp with Oliver, a boy she has a huge crush on, it seems her dreams have come true. They're getting along well and the riding is great, but trouble seems to be brewing at Black Horse Farm. When a girl with an unusual necklace gets attacked, it takes all Yasmine's intuition, bravery, and riding skill to unravel the mystery before it's too late.