(From the publisher):
Uncle Andrew needs Trixie's help. Trixie and the Bob-Whites are spending spring break at his farm in Iowa, and his sheep keep disappearing. He thinks they're being stolen! Trixie may not know sheep, but she does know thieves. And she has an idea where to start looking for them--near the mysterious flickering lights in dark, dangerous Walnut Woods!
Original title: Trixie Belden and the Happy Valley Mystery
Genre: Fiction→ Children & Young Adult→ Mystery
- Ghost writer believed to have been Nicolete Meredith Stack