diff --git a/server/controllers/LibraryController.js b/server/controllers/LibraryController.js
index 263e93b0..4acbec70 100644
--- a/server/controllers/LibraryController.js
+++ b/server/controllers/LibraryController.js
@@ -44,7 +44,7 @@ class LibraryController {
     if (req.query.include && req.query.include === 'filterdata') {
       return res.json({
         filterdata: libraryHelpers.getDistinctFilterDataNew(req.libraryItems),
-        issues: libraryHelpers.getNumIssues(req.libraryItems),
+        issues: req.libraryItems.filter(li => li.hasIssues).length,
         library: req.library
       })
     }
@@ -439,7 +439,6 @@ class LibraryController {
 
   async stats(req, res) {
     var libraryItems = req.libraryItems
-
     var authorsWithCount = libraryHelpers.getAuthorsWithCount(libraryItems)
     var genresWithCount = libraryHelpers.getGenresWithCount(libraryItems)
     var durationStats = libraryHelpers.getItemDurationStats(libraryItems)
diff --git a/server/objects/LibraryItem.js b/server/objects/LibraryItem.js
index d4252a6b..aafdb287 100644
--- a/server/objects/LibraryItem.js
+++ b/server/objects/LibraryItem.js
@@ -152,6 +152,10 @@ class LibraryItem {
   get hasMediaEntities() {
     return this.media.hasMediaEntities
   }
+  get hasIssues() {
+    if (this.isMissing || this.isInvalid) return true
+    return this.media.hasIssues
+  }
 
   // Data comes from scandir library item data
   setData(libraryMediaType, payload) {
diff --git a/server/objects/entities/PodcastEpisode.js b/server/objects/entities/PodcastEpisode.js
index cc961920..7cfa1a8b 100644
--- a/server/objects/entities/PodcastEpisode.js
+++ b/server/objects/entities/PodcastEpisode.js
@@ -43,6 +43,10 @@ class PodcastEpisode {
   get tracks() {
     return [this.audioFile]
   }
+  get duration() {
+    return this.audioFile.duration
+  }
+  get size() { return this.audioFile.metadata.size }
 
   // Only checks container format
   checkCanDirectPlay(payload) {
diff --git a/server/objects/files/EBookFile.js b/server/objects/files/EBookFile.js
index 70e790ae..18686bf2 100644
--- a/server/objects/files/EBookFile.js
+++ b/server/objects/files/EBookFile.js
@@ -15,7 +15,7 @@ class EBookFile {
 
   construct(file) {
     this.ino = file.ino
-    this.metadata = new FileMetadata(file)
+    this.metadata = new FileMetadata(file.metadata)
     this.ebookFormat = file.ebookFormat
     this.addedAt = file.addedAt
     this.updatedAt = file.updatedAt
diff --git a/server/objects/mediaTypes/Book.js b/server/objects/mediaTypes/Book.js
index 2a49f004..c32df120 100644
--- a/server/objects/mediaTypes/Book.js
+++ b/server/objects/mediaTypes/Book.js
@@ -72,8 +72,12 @@ class Book {
 
   get size() {
     var total = 0
-    this.audiobooks.forEach((ab) => total += ab.size)
-    this.ebooks.forEach((eb) => total += eb.size)
+    this.audiobooks.forEach((ab) => {
+      total += ab.size
+    })
+    this.ebooks.forEach((eb) => {
+      total += eb.size
+    })
     return total
   }
   get hasMediaEntities() {
@@ -87,6 +91,9 @@ class Book {
   get hasEmbeddedCoverArt() {
     return this.audiobooks.some(ab => ab.hasEmbeddedCoverArt)
   }
+  get hasIssues() {
+    return this.audiobooks.some(ab => ab.missingParts.length)
+  }
 
   update(payload) {
     var json = this.toJSON()
@@ -293,5 +300,24 @@ class Book {
     var audiobook = this.getCreateAudiobookVariant(variant)
     audiobook.audioFiles.push(audioFile)
   }
+
+  getLongestDuration() {
+    if (!this.audiobooks.length) return 0
+    var longest = 0
+    this.audiobooks.forEach((ab) => {
+      if (ab.duration > longest) longest = ab.duration
+    })
+    return longest
+  }
+  getTotalAudioTracks() {
+    var total = 0
+    this.audiobooks.forEach((ab) => total += ab.tracks.length)
+    return total
+  }
+  getTotalDuration() {
+    var total = 0
+    this.audiobooks.forEach((ab) => total += ab.duration)
+    return total
+  }
 }
 module.exports = Book
\ No newline at end of file
diff --git a/server/objects/mediaTypes/Podcast.js b/server/objects/mediaTypes/Podcast.js
index 3107eb7e..946ac677 100644
--- a/server/objects/mediaTypes/Podcast.js
+++ b/server/objects/mediaTypes/Podcast.js
@@ -43,8 +43,7 @@ class Podcast {
       metadata: this.metadata.toJSON(),
       coverPath: this.coverPath,
       tags: [...this.tags],
-      episodes: this.episodes.map(e => e.toJSON()),
-
+      episodes: this.episodes.map(e => e.toJSON())
     }
   }
 
@@ -54,19 +53,14 @@ class Podcast {
       metadata: this.metadata.toJSONExpanded(),
       coverPath: this.coverPath,
       tags: [...this.tags],
-      episodes: this.episodes.map(e => e.toJSON()),
-
+      episodes: this.episodes.map(e => e.toJSON())
     }
   }
 
-  get tracks() {
-    return []
-  }
-  get duration() {
-    return 0
-  }
   get size() {
-    return 0
+    var total = 0
+    this.episodes.forEach((ep) => total += ep.size)
+    return total
   }
   get hasMediaEntities() {
     return !!this.episodes.length
@@ -77,6 +71,9 @@ class Podcast {
   get hasEmbeddedCoverArt() {
     return false
   }
+  get hasIssues() {
+    return false
+  }
 
   update(payload) {
     var json = this.toJSON()
@@ -105,10 +102,6 @@ class Podcast {
     return true
   }
 
-  checkUpdateMissingTracks() {
-    return false
-  }
-
   removeFileWithInode(inode) {
     return false
   }
@@ -138,5 +131,23 @@ class Podcast {
     var payload = this.metadata.searchQuery(query)
     return payload || {}
   }
+
+  getLongestDuration() {
+    if (!this.episodes.length) return 0
+    var longest = 0
+    this.episodes.forEach((ab) => {
+      if (ab.duration > longest) longest = ab.duration
+    })
+    return longest
+  }
+
+  getTotalAudioTracks() {
+    return this.episodes.length
+  }
+  getTotalDuration() {
+    var total = 0
+    this.episodes.forEach((ep) => total += ep.duration)
+    return total
+  }
 }
 module.exports = Podcast
\ No newline at end of file
diff --git a/server/utils/dbMigration.js b/server/utils/dbMigration.js
index 9134c638..ae05967c 100644
--- a/server/utils/dbMigration.js
+++ b/server/utils/dbMigration.js
@@ -286,7 +286,7 @@ async function migrateLibraryItems(db) {
     sessions = sessions.map(se => {
       var libraryItemWithAudiobook = libraryItems.find(li => li.media.getAudiobookById && !!li.media.getAudiobookById(se.mediaEntityId))
       if (!libraryItemWithAudiobook) {
-        Logger.error('[dbMigration] Failed to find library item with audiobook id', audiobookId)
+        Logger.error('[dbMigration] Failed to find library item with audiobook id', se.mediaEntityId)
         return null
       }
       se.libraryItemId = libraryItemWithAudiobook.id
diff --git a/server/utils/libraryHelpers.js b/server/utils/libraryHelpers.js
index 211b8600..8df2d02a 100644
--- a/server/utils/libraryHelpers.js
+++ b/server/utils/libraryHelpers.js
@@ -241,13 +241,13 @@ module.exports = {
   },
 
   getItemDurationStats(libraryItems) {
-    var sorted = sort(libraryItems).desc(li => li.media.duration)
-    var top10 = sorted.slice(0, 10).map(li => ({ title: li.media.metadata.title, duration: li.media.duration })).filter(i => i.duration > 0)
+    var sorted = sort(libraryItems).desc(li => li.media.getLongestDuration())
+    var top10 = sorted.slice(0, 10).map(li => ({ title: li.media.metadata.title, duration: li.media.getLongestDuration() })).filter(i => i.duration > 0)
     var totalDuration = 0
     var numAudioTracks = 0
     libraryItems.forEach((li) => {
-      totalDuration += li.media.duration
-      numAudioTracks += (li.media.tracks || []).length
+      totalDuration += li.media.getTotalDuration()
+      numAudioTracks += li.media.getTotalAudioTracks()
     })
     return {
       totalDuration,
@@ -263,12 +263,4 @@ module.exports = {
     })
     return totalSize
   },
-
-  getNumIssues(libraryItems) {
-    // TODO: Implement issues
-    return libraryItems.filter(li => li.isMissing).length
-    // return books.filter(ab => {
-    //   return ab.numMissingParts || ab.numInvalidParts || ab.isMissing || ab.isInvalid
-    // }).length
-  }
 }
\ No newline at end of file