The adventures of the Wilson sisters in the American West. From the author of the bestselling books For the Love of Horses and Stallion Challenges comes a brand new adventure, this time in the cowboy country of the American West. Having saved New Zealand's wild Kaimanawa horses, the Wilson sisters - Kelly, Vicki and Amanda - turn to the plight of America's wild Mustangs. Can they tame their Mustangs in time for the Extreme Mustang Makeover? Join Kelly, Vicki and Amanda as they ride through the American wilderness on their most exciting and eventful journey yet.