Book Description
for Murder in the Middle Pasture by John R. Erickson and Gerald L. Holmes
From the Publisher
On Christmas Eve, a killer coyote attacked the ranch, killing a calf. Lucky for Slim, Drover, and the rest of the gang, Hank the Cowdog came to the rescue and saved Christmas Eve. Since Sally May and High Loper were out of town, Slim and Hank returned to the ranch house to settle down for a long winter's nap.
Publisher description retrieved from Google Books.