Kate O'Connell runs into another mystery when her friend's family's valuable ring disappears; and without the ring, they can't make their farm payment on time! Meanwhile, someone's sneaking into the Windy Hill barn at night to take Wildfire out for a ride. Could it be the same person? And who could that person be? 126 pages, softcover.
Book 3 in the 'Adventures of the Northwoods' series by Lois Walfrid Johnson.