public static Chapter GetChapter(String bookID, String chapterID)
 {
     return(ChaptersOnDeviceDataAccessor.GetChapter(bookID, chapterID));
 }
 public static void UpdateChapters(String bookID, List <Chapter> chapterList)
 {
     ChaptersOnDeviceDataAccessor.UpdateChapters(bookID, chapterList);
 }
 public static List <Chapter> GetChapters(String bookID)
 {
     return(ChaptersOnDeviceDataAccessor.GetChapters(bookID));
 }
 public static void RemoveChapters(String bookID)
 {
     ChaptersOnDeviceDataAccessor.RemoveChapters(bookID);
 }