N/A Trixie Belden #9 The‎ Happy Valley Mystery Good Condition

The product is a trade paperback book titled The Happy Valley Mystery from the Trixie Belden series by Kathryn Kenny. Published by Random House Children's Books in 1977, this juvenile fiction novel is set in a fictional town called Happy Valley. The story follows Trixie Belden as she solves a mystery with the help of her friends, making it a thrilling and engaging read for young readers. The book also features illustrations, bringing the characters and events to life for a more immersive reading experience.