- (NSString *)title {
    [self willAccessValueForKey:@"title"];
    NSString *locTitle = nil;
    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"locale==%@", [DataManager localeString]];
    NSSet *localizedSet = [self.localizedBook filteredSetUsingPredicate:predicate];
    if ([localizedSet count] > 0) {
        locTitle = [[localizedSet valueForKey:@"localizedTitle"] anyObject];
    }
    [self didAccessValueForKey:@"title"];
    return locTitle;
}

NSMutableSet *bookLocalizations = [internationalBook mutableSetValueForKey:@"localizedBook"]; // internationalBook is an instance of InternationalBook
// set the values for locale and localizedTitle
LocalizedBook *localizedBook = (LocalizedBook *)[NSEntityDescription insertnNewObjectEntityForName:@"LocalizedBook" inManagedObjectContext:self.bookMOC];
localizedBook.locale = [DataManager localeString];
localizedBook.localizedTitle = theLocalizedTitle; // assume theLocalizedTitle has been defined.
[bookLocalizations addObject:localizedBook];
[bookLocalizations setValue:localizedBook forKey:@"localizedBook"];

NSSet *sourceSet = [NSSet setWithArray:[[tbl_MainTable rel_Localization]allObjects]];
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"fld_Locale == %@", [[NSLocale preferredLanguages] objectAtIndex:0]];
NSSet *filteredSet = [sourceSet filteredSetUsingPredicate:predicate];
//NSLog(@"%@", filteredSet); NSLog(@"%@", [[filteredSet valueForKey:@"fld_Name"] anyObject]);
if ([filteredSet count] > 0)
{
    [cell.detailTextLabel setText:[[filteredSet valueForKey:@"fld_Name"] anyObject]];
}