diff --git a/server/objects/AudioFileMetadata.js b/server/objects/AudioFileMetadata.js
index 3a82ceab..c838df9a 100644
--- a/server/objects/AudioFileMetadata.js
+++ b/server/objects/AudioFileMetadata.js
@@ -16,6 +16,7 @@ class AudioFileMetadata {
     this.tagDescription = null
     this.tagEncoder = null
     this.tagEncodedBy = null
+    this.tagIsbn = null
 
     if (metadata) {
       this.construct(metadata)
@@ -50,6 +51,7 @@ class AudioFileMetadata {
     this.tagDescription = metadata.tagDescription || null
     this.tagEncoder = metadata.tagEncoder || null
     this.tagEncodedBy = metadata.tagEncodedBy || null
+    this.tagIsbn = metadata.tagIsbn || null
   }
 
   // Data parsed in prober.js
@@ -70,6 +72,7 @@ class AudioFileMetadata {
     this.tagDescription = payload.file_tag_description || null
     this.tagEncoder = payload.file_tag_encoder || null
     this.tagEncodedBy = payload.file_tag_encodedby || null
+    this.tagIsbn = payload.file_tag_isbn || null
   }
 
   updateData(payload) {
@@ -89,7 +92,8 @@ class AudioFileMetadata {
       tagComment: payload.file_tag_comment || null,
       tagDescription: payload.file_tag_description || null,
       tagEncoder: payload.file_tag_encoder || null,
-      tagEncodedBy: payload.file_tag_encodedby || null
+      tagEncodedBy: payload.file_tag_encodedby || null,
+      tagIsbn: payload.file_tag_isbn || nulll
     }
 
     var hasUpdates = false
diff --git a/server/objects/Book.js b/server/objects/Book.js
index ec250d75..34109475 100644
--- a/server/objects/Book.js
+++ b/server/objects/Book.js
@@ -343,6 +343,10 @@ class Book {
       {
         tag: 'tagSeriesPart',
         key: 'volumeNumber'
+      },
+      {
+        tag: 'tagIsbn',
+        key: 'isbn'
       }
     ]
 
diff --git a/server/utils/prober.js b/server/utils/prober.js
index d8b48827..cdcd2606 100644
--- a/server/utils/prober.js
+++ b/server/utils/prober.js
@@ -163,6 +163,7 @@ function parseTags(format, verbose) {
     file_tag_genre: tryGrabTags(format, 'genre', 'tcon', 'tco'),
     file_tag_series: tryGrabTag(format, 'series'),
     file_tag_seriespart: tryGrabTag(format, 'series-part'),
+    file_tag_isbn: tryGrabTag(format, 'isbn'),
 
     // Not sure if these are actually used yet or not
     file_tag_creation_time: tryGrabTag(format, 'creation_time'),
@@ -180,7 +181,7 @@ function parseTags(format, verbose) {
     }
   }
 
-  var keysToLookOutFor = ['file_tag_genre1', 'file_tag_genre2', 'file_tag_series', 'file_tag_seriespart', 'file_tag_movement', 'file_tag_movementname', 'file_tag_wwwaudiofile', 'file_tag_contentgroup', 'file_tag_releasetime']
+  var keysToLookOutFor = ['file_tag_genre1', 'file_tag_genre2', 'file_tag_series', 'file_tag_seriespart', 'file_tag_movement', 'file_tag_movementname', 'file_tag_wwwaudiofile', 'file_tag_contentgroup', 'file_tag_releasetime', 'file_tag_isbn']
   keysToLookOutFor.forEach((key) => {
     if (tags[key]) {
       Logger.debug(`Notable! ${key} => ${tags[key]}`)