Readers on Amazon consider it readable at 4 - 6 Grade Level.
Readers of age 8 - 12 years will enjoy The Mystery of the Whispering Mummy .
When Ra-Orkon, a 3,000-year-old mummy, begins to whisper strange words in an ancient Egyptian tongue, the Three Investigators are determined to find out the facts: Why is he speaking? What is he saying? And how is the horrible curse of Ra-Orkon about to be fulfilled? Read more