The Thoroughbred series, created by Joanna Campbell, begins with the first four books focusing on Ashleigh Griffen’s deepening connection with a special filly named Wonder. Here’s a summary of each:

1. A Horse Called Wonder
Ashleigh Griffen’s family relocates to Townsend Acres after their own farm is lost to a devastating virus. At first, Ashleigh struggles to adjust, but her life changes when she encounters a frail filly named Wonder. Despite Wonder’s weak start, Ashleigh is determined to nurse her back to health, forming a profound bond that sets the stage for their future endeavors.

2. Wonder’s Promise
As Wonder matures, Ashleigh dreams of her becoming a champion racehorse. However, they face numerous challenges, including skepticism from others about Wonder’s potential and the rigorous demands of training. Ashleigh’s unwavering belief in Wonder’s abilities is tested as they strive to prove everyone wrong.

3. Wonder’s First Race
Wonder is finally ready to compete, but the world of horse racing is fraught with unexpected obstacles. Ashleigh and Wonder must navigate the high-pressure environment of their debut race, confronting both external competition and internal doubts. citeturn0search0

4. Wonder’s Victory
After overcoming initial hurdles, Wonder begins to show her true potential on the racetrack. Ashleigh and Wonder experience the thrill of victory, but they also learn about the sacrifices and challenges that come with success in the competitive world of horse racing.

These initial books lay the foundation for the expansive Thoroughbred series, chronicling the highs and lows of horse racing and the enduring bond between a girl and her horse.