Readers on Amazon consider it readable at 4 - 6 Grade Level.
Readers of age 9 - 12 years will enjoy Hardy Boys 65: The Stone Idol.
When an ancient stone idol disappears, the Hardy Boys are off on another fast-paced adventure. It's a mystery that takes the boys from a primitive village in the Andes Mountains to Antarctica and finally to Easter Island. By using their fine investigative skills, the Hardy Boys find that the mystery of the stone idol is not what it seems! Read more