diff --git a/docs/controllers/LibraryItemController.yaml b/docs/controllers/LibraryItemController.yaml
new file mode 100644
index 0000000000..a66acf2b41
--- /dev/null
+++ b/docs/controllers/LibraryItemController.yaml
@@ -0,0 +1,53 @@
+components:
+  schemas:
+    expanded:
+      type: integer
+      description: Whether to return Library Item Expanded instead. 0 for false, 1 for true.
+      format: binary
+      example: 0
+    include:
+      type: string
+      description: "A comma separated list of what to include with the library item. The options are: progress, rssfeed, authors (for books), and downloads (for podcasts). expanded must be 1 for include to have an effect."
+      example: progress,rssfeed,authors
+    episode:
+      type: string
+      description: If requesting progress for a podcast, the episode ID to get progress for.
+
+paths:
+  /api/items/{id}:
+    parameters:
+        - name: id
+          in: path
+          description: The ID of the libraryItem.
+          required: true
+          schema:
+            $ref: '../objects/LibraryItem.yaml#/components/schemas/libraryItemId'
+    get:
+      summary: Get a library item by ID
+      description: Get a library item by ID
+      operationId: getLibraryItemById
+      tags:
+        - LibraryItem
+      parameters:
+        - name: expanded
+          in: query
+          description: Whether to return Library Item Expanded instead. 0 for false, 1 for true.
+          schema:
+            $ref: '#/components/schemas/expanded'
+        - name: include
+          in: query
+          description: "A comma separated list of what to include with the library item. The options are: progress, rssfeed, authors (for books), and downloads (for podcasts). expanded must be 1 for include to have an effect."
+          schema:
+            $ref: '#/components/schemas/include'
+        - name: episode
+          in: query
+          description: If requesting progress for a podcast, the episode ID to get progress for.
+          schema:
+            $ref: '#/components/schemas/episode'
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '../objects/LibraryItem.yaml#/components/schemas/libraryItemBase'
\ No newline at end of file
diff --git a/docs/objects/LibraryItem.yaml b/docs/objects/LibraryItem.yaml
index 107ba9f3f9..ff0b9815e6 100644
--- a/docs/objects/LibraryItem.yaml
+++ b/docs/objects/LibraryItem.yaml
@@ -55,6 +55,12 @@ components:
           type: boolean
         mediaType:
           $ref: './mediaTypes/media.yaml#/components/schemas/mediaType'
+        media:
+          type: object
+          description: The media of the library item.
+          oneOf:
+            - $ref: './mediaTypes/Book.yaml#/components/schemas/bookBase'
+            - $ref: './mediaTypes/Podcast.yaml#/components/schemas/Podcast'
     libraryItemMinified:
       type: object
       description: A single item on the server, like a book or podcast. Minified media format.
diff --git a/docs/objects/mediaTypes/Book.yaml b/docs/objects/mediaTypes/Book.yaml
index ebe2b63d9d..fa7ede063e 100644
--- a/docs/objects/mediaTypes/Book.yaml
+++ b/docs/objects/mediaTypes/Book.yaml
@@ -23,6 +23,8 @@ components:
           type: array
           items:
             $ref: '../metadata/BookMetadata.yaml#/components/schemas/bookChapter'
+        metadata:
+          $ref: '../metadata/BookMetadata.yaml#/components/schemas/bookMetadataBase'
         missingParts:
           description: Any parts missing from the book by track index.
           type: array
diff --git a/docs/root.yaml b/docs/root.yaml
index 4d6c055db7..efb1c1b7c1 100644
--- a/docs/root.yaml
+++ b/docs/root.yaml
@@ -90,3 +90,5 @@ tags:
     description: Notifications endpoints
   - name: Podcasts
     description: Podcast endpoints
+  - name: LibraryItem
+    description: LibraryItem endpoints