From 93a42e2fe9e44e216097ed50abcf0a6d5a03f196 Mon Sep 17 00:00:00 2001
From: ta264 <ta264@users.noreply.github.com>
Date: Fri, 11 Feb 2022 21:31:13 +0000
Subject: [PATCH] Fix duplicates in author search

---
 src/NzbDrone.Core/MetadataSource/BookInfo/BookInfoProxy.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/NzbDrone.Core/MetadataSource/BookInfo/BookInfoProxy.cs b/src/NzbDrone.Core/MetadataSource/BookInfo/BookInfoProxy.cs
index a0fecc42c..5f0992c0b 100644
--- a/src/NzbDrone.Core/MetadataSource/BookInfo/BookInfoProxy.cs
+++ b/src/NzbDrone.Core/MetadataSource/BookInfo/BookInfoProxy.cs
@@ -153,7 +153,10 @@ namespace NzbDrone.Core.MetadataSource.BookInfo
         {
             var books = SearchForNewBook(title, null);
 
-            return books.Select(x => x.Author.Value).ToList();
+            return books
+                .Select(x => x.Author.Value)
+                .DistinctBy(x => x.ForeignAuthorId)
+                .ToList();
         }
 
         public List<Book> SearchForNewBook(string title, string author, bool getAllEditions = true)