Silver Brumby by Elyne Mitchell

A classic
 
The silver brumby, Thowra, stands out and is pursued by both man and horse. As the leader of the wild horses, he faces challenges not just from the powerful Brolga but also from humans seeking to capture him. In a thrilling chase through the mountains, Thowra's survival is tested. Another tale introduces characters Socks, a distinctive black brumby, and Lightning, the cattledog, who reunite in an untold story.