Fixed: Books must match the edition title, not the work title

src/NzbDrone.Core/MediaFiles/BookImport/Identification/DistanceCalculator.cs

@@ -38,19 +38,13 @@ namespace NzbDrone.Core.MediaFiles.BookImport.Identification
             Logger.Trace("author: '{0}' vs '{1}'; {2}", authors.ConcatToString("' or '"), edition.Book.Value.AuthorMetadata.Value.Name, dist.NormalizedDistance());
 
             var title = localTracks.MostCommon(x => x.FileTrackInfo.BookTitle) ?? "";
-            var titleOptions = new List<string> { edition.Title, edition.Book.Value.Title };
+            var titleOptions = new List<string> { edition.Title };
             if (titleOptions[0].Contains("#"))
             {
                 titleOptions.Add(StripSeriesRegex.Replace(titleOptions[0]));
             }
 
-            var (maintitle, _) = edition.Book.Value.Title.SplitBookTitle(edition.Book.Value.AuthorMetadata.Value.Name);
-            if (!titleOptions.Contains(maintitle))
-            {
-                titleOptions.Add(maintitle);
-            }
-
-            (maintitle, _) = edition.Title.SplitBookTitle(edition.Book.Value.AuthorMetadata.Value.Name);
+            var (maintitle, _) = edition.Title.SplitBookTitle(edition.Book.Value.AuthorMetadata.Value.Name);
             if (!titleOptions.Contains(maintitle))
             {
                 titleOptions.Add(maintitle);