A fundraiser for Thoroughbreds in their town of Whispering Ridge! The three eleven-year-olds are all for it. Meri volunteers them to help out on the big night. But all is not what it seems and the three uncover a plot to steal all the money. The thief vanishes but the three have some ideas where he might be and what he might do to evade capture.

Suggest reading the Stables mystery stories in order:

1 The Mystery at the Stables

2 The Mystery at Rodeo Ranch

3 The Mystery of the Silver Saddle

4 The Mystery of Sable Island

5 The Mystery at the Horse Auction

6 The Mystery at the Pony Baseball Game

7 The Mystery of the Wildlife Crossing

8 The Mystery of the Tacos for Thoroughbreds Fiesta