The Princesses Of Chadwick Castle Adventure is an eight-book series about two princess sisters, Elle, age 12, and Belle, age 10. Cooped up in their 19th century castle most days they grow restless and in their curiosity uncover a dangerous plot to overthrow the King. The girls are forced to hide amidst the villagers, afraid spies would uncover their disguise--provided they have not already been discovered. The Princesses Of Chadwick Castle Adventure series, starts with the first book, While Princesses Sleep, and is for readers six to ten. Princess Reward is the eighth book. The series also features artwork from the art masters whose works have entered the public domain and are no longer restricted by copyright.