Rocky Lane's Black Jack #23

When a diseased horse herd spreads sickness across the range, Black Jack—the great stallion—finds himself branded as contaminated and hunted by every rancher with a gun and a bounty on his head. Driven into exile in the badlands, Black Jack must evade the posse and prove his innocence before the reward on him grows too large to ignore. A western tale of a noble horse caught between survival and the truth, published in 1958.

Black Jack the stallion finds himself in an unlikely position when he encounters a mother mountain lion and her cubs trapped in the high canyon country—natural enemies forced into an unexpected alliance. As hunters close in, the mighty mustang must decide whether to follow instinct or protect the defenseless family that depends on him.

Trapped at a trading post surrounded by renegade Indians and outlaws, Rocky Lane faces impossible odds with dwindling ammunition—so he entrusts his stallion Black Jack with a desperate mission to reach the sheriff and bring back a posse. What unfolds is a thrilling race against time as the great black horse dodges enemies, gallops miles to town, and rallies help in ways no mere animal should be capable of.

Texas Ranger Red Grogan goes undercover in Jess Blick's cattle camp to expose a rustling operation that's been bleeding nearby ranchers dry, but his cover is blown when Blick discovers his true identity. Trapped and unarmed in a canyon with a stampeding herd bearing down on him, Grogan must rely on unexpected help to survive and bring Blick's operation to justice.

An oil man with a passion for fine horses, Russ Lind sets out with his expert trackers to capture the legendary wild stallion Black Jack—a magnificent horse who seems to outthink his pursuers at every turn. When Lind finally corners the wild stallion and attempts to make him his own, Black Jack reveals he may be far cleverer than anyone bargained for.