The Diamond Princess Saves the Day (Jewel Kingdom #4) (Paperback)
Other Books in Series
This is book number 3 in the Jewel Kingdom series.
In the Jewel Kingdom, four girls rule: Roxanne is the Ruby Princess, Sabrina is the Sapphire Princess, Emily is the Emerald Princess, and Demetra is the Diamond Princess.
Some of Princess Demetra's subjects have become trapped inside a mountain. She must risk everything--including her crown--to rescue her subjects!
A full sheet of holographic stickers in every book!