The Princesses Of Chadwick Castle Adventure is an eight-book series about two princess sisters, Elle, and Belle. Cooped up in their 19th century castle most days they grow restless and in their curiosity uncover a mystery. Curiosity leads to an accident. Elle is seriously hurt from a third-storey fall from a hidden passage and remains unconscious. Will Belle get the blame? And what about the strange visitors they recently meet? What sort of trouble will they get themselves into next? The Princesses Of Chadwick Castle Adventure series, starts with the first book, While Princesses Sleep, and is for readers six to ten. Secret Mission Princess is Book 4 and features artwork from art masters whose works have entered the public domain and are no longer restricted by copyright.