Refresh docs
diff --git a/docs/dyn/books_v1.volumes.html b/docs/dyn/books_v1.volumes.html
index 527ceb3..a23eea2 100644
--- a/docs/dyn/books_v1.volumes.html
+++ b/docs/dyn/books_v1.volumes.html
@@ -80,6 +80,11 @@
 <p class="firstline">Returns the associated Resource.</p>
 
 <p class="toc_element">
+  <code><a href="books_v1.volumes.recommended.html">recommended()</a></code>
+</p>
+<p class="firstline">Returns the recommended Resource.</p>
+
+<p class="toc_element">
   <code><a href="#get">get(volumeId, projection=None, source=None, country=None, partner=None)</a></code></p>
 <p class="firstline">Gets volume information for a single volume.</p>
 <p class="toc_element">
@@ -158,39 +163,7 @@
       },
     },
     "etag": "A String", # Opaque identifier for a specific version of a volume resource. (In LITE projection)
-    "userInfo": { # User specific information related to this volume. (e.g. page this user last read or whether they purchased this book)
-      "isInMyBooks": True or False, # Whether or not this volume is currently in "my books."
-      "updated": "A String", # Timestamp when this volume was last modified by a user action, such as a reading position update, volume purchase or writing a review. (RFC 3339 UTC date-time format).
-      "review": { # This user's review of this volume, if one exists.
-        "rating": "A String", # Star rating for this review. Possible values are ONE, TWO, THREE, FOUR, FIVE or NOT_RATED.
-        "kind": "books#review", # Resource type for a review.
-        "author": { # Author of this review.
-          "displayName": "A String", # Name of this person.
-        },
-        "title": "A String", # Title for this review.
-        "volumeId": "A String", # Volume that this review is for.
-        "content": "A String", # Review text.
-        "source": { # Information regarding the source of this review, when the review is not from a Google Books user.
-          "extraDescription": "A String", # Extra text about the source of the review.
-          "url": "A String", # URL of the source of the review.
-          "description": "A String", # Name of the source.
-        },
-        "date": "A String", # Date of this review.
-        "type": "A String", # Source type for this review. Possible values are EDITORIAL, WEB_USER or GOOGLE_USER.
-        "fullTextUrl": "A String", # URL for the full review text, for reviews gathered from the web.
-      },
-      "isPurchased": True or False, # Whether or not this volume was purchased by the authenticated user making the request. (In LITE projection.)
-      "readingPosition": { # The user's current reading position in the volume, if one is available. (In LITE projection.)
-        "kind": "books#readingPosition", # Resource type for a reading position.
-        "gbImagePosition": "A String", # Position in a volume for image-based content.
-        "epubCfiPosition": "A String", # Position in an EPUB as a CFI.
-        "updated": "A String", # Timestamp when this reading position was last updated (formatted UTC timestamp with millisecond resolution).
-        "volumeId": "A String", # Volume id associated with this reading position.
-        "pdfPosition": "A String", # Position in a PDF file.
-        "gbTextPosition": "A String", # Position in a volume for text-based content.
-      },
-      "isPreordered": True or False, # Whether or not this volume was pre-ordered by the authenticated user making the request. (In LITE projection.)
-    },
+    "selfLink": "A String", # URL to this resource. (In LITE projection.)
     "volumeInfo": { # General volume information.
       "publisher": "A String", # Publisher of this volume. (In LITE projection.)
       "subtitle": "A String", # Volume subtitle. (In LITE projection.)
@@ -233,8 +206,51 @@
       ],
       "averageRating": 3.14, # The mean review rating for this volume. (min = 1.0, max = 5.0)
     },
+    "recommendedInfo": { # Recommendation related information for this volume.
+      "explanation": "A String", # A text explaining why this volume is recommended.
+    },
     "id": "A String", # Unique identifier for a volume. (In LITE projection.)
-    "selfLink": "A String", # URL to this resource. (In LITE projection.)
+    "layerInfo": { # What layers exist in this volume and high level information about them.
+      "layers": [ # A layer should appear here if and only if the layer exists for this book.
+        {
+          "volumeAnnotationsVersion": "A String", # The current version of this layer's volume annotations. Note that this version applies only to the data in the books.layers.volumeAnnotations.* responses. The actual annotation data is versioned separately.
+          "layerId": "A String", # The layer id of this layer (e.g. "geo").
+        },
+      ],
+    },
+    "userInfo": { # User specific information related to this volume. (e.g. page this user last read or whether they purchased this book)
+      "isInMyBooks": True or False, # Whether or not this volume is currently in "my books."
+      "updated": "A String", # Timestamp when this volume was last modified by a user action, such as a reading position update, volume purchase or writing a review. (RFC 3339 UTC date-time format).
+      "review": { # This user's review of this volume, if one exists.
+        "rating": "A String", # Star rating for this review. Possible values are ONE, TWO, THREE, FOUR, FIVE or NOT_RATED.
+        "kind": "books#review", # Resource type for a review.
+        "author": { # Author of this review.
+          "displayName": "A String", # Name of this person.
+        },
+        "title": "A String", # Title for this review.
+        "volumeId": "A String", # Volume that this review is for.
+        "content": "A String", # Review text.
+        "source": { # Information regarding the source of this review, when the review is not from a Google Books user.
+          "extraDescription": "A String", # Extra text about the source of the review.
+          "url": "A String", # URL of the source of the review.
+          "description": "A String", # Name of the source.
+        },
+        "date": "A String", # Date of this review.
+        "type": "A String", # Source type for this review. Possible values are EDITORIAL, WEB_USER or GOOGLE_USER.
+        "fullTextUrl": "A String", # URL for the full review text, for reviews gathered from the web.
+      },
+      "isPurchased": True or False, # Whether or not this volume was purchased by the authenticated user making the request. (In LITE projection.)
+      "readingPosition": { # The user's current reading position in the volume, if one is available. (In LITE projection.)
+        "kind": "books#readingPosition", # Resource type for a reading position.
+        "gbImagePosition": "A String", # Position in a volume for image-based content.
+        "epubCfiPosition": "A String", # Position in an EPUB as a CFI.
+        "updated": "A String", # Timestamp when this reading position was last updated (formatted UTC timestamp with millisecond resolution).
+        "volumeId": "A String", # Volume id associated with this reading position.
+        "pdfPosition": "A String", # Position in a PDF file.
+        "gbTextPosition": "A String", # Position in a volume for text-based content.
+      },
+      "isPreordered": True or False, # Whether or not this volume was pre-ordered by the authenticated user making the request. (In LITE projection.)
+    },
   }</pre>
 </div>
 
@@ -339,39 +355,7 @@
           },
         },
         "etag": "A String", # Opaque identifier for a specific version of a volume resource. (In LITE projection)
-        "userInfo": { # User specific information related to this volume. (e.g. page this user last read or whether they purchased this book)
-          "isInMyBooks": True or False, # Whether or not this volume is currently in "my books."
-          "updated": "A String", # Timestamp when this volume was last modified by a user action, such as a reading position update, volume purchase or writing a review. (RFC 3339 UTC date-time format).
-          "review": { # This user's review of this volume, if one exists.
-            "rating": "A String", # Star rating for this review. Possible values are ONE, TWO, THREE, FOUR, FIVE or NOT_RATED.
-            "kind": "books#review", # Resource type for a review.
-            "author": { # Author of this review.
-              "displayName": "A String", # Name of this person.
-            },
-            "title": "A String", # Title for this review.
-            "volumeId": "A String", # Volume that this review is for.
-            "content": "A String", # Review text.
-            "source": { # Information regarding the source of this review, when the review is not from a Google Books user.
-              "extraDescription": "A String", # Extra text about the source of the review.
-              "url": "A String", # URL of the source of the review.
-              "description": "A String", # Name of the source.
-            },
-            "date": "A String", # Date of this review.
-            "type": "A String", # Source type for this review. Possible values are EDITORIAL, WEB_USER or GOOGLE_USER.
-            "fullTextUrl": "A String", # URL for the full review text, for reviews gathered from the web.
-          },
-          "isPurchased": True or False, # Whether or not this volume was purchased by the authenticated user making the request. (In LITE projection.)
-          "readingPosition": { # The user's current reading position in the volume, if one is available. (In LITE projection.)
-            "kind": "books#readingPosition", # Resource type for a reading position.
-            "gbImagePosition": "A String", # Position in a volume for image-based content.
-            "epubCfiPosition": "A String", # Position in an EPUB as a CFI.
-            "updated": "A String", # Timestamp when this reading position was last updated (formatted UTC timestamp with millisecond resolution).
-            "volumeId": "A String", # Volume id associated with this reading position.
-            "pdfPosition": "A String", # Position in a PDF file.
-            "gbTextPosition": "A String", # Position in a volume for text-based content.
-          },
-          "isPreordered": True or False, # Whether or not this volume was pre-ordered by the authenticated user making the request. (In LITE projection.)
-        },
+        "selfLink": "A String", # URL to this resource. (In LITE projection.)
         "volumeInfo": { # General volume information.
           "publisher": "A String", # Publisher of this volume. (In LITE projection.)
           "subtitle": "A String", # Volume subtitle. (In LITE projection.)
@@ -414,8 +398,51 @@
           ],
           "averageRating": 3.14, # The mean review rating for this volume. (min = 1.0, max = 5.0)
         },
+        "recommendedInfo": { # Recommendation related information for this volume.
+          "explanation": "A String", # A text explaining why this volume is recommended.
+        },
         "id": "A String", # Unique identifier for a volume. (In LITE projection.)
-        "selfLink": "A String", # URL to this resource. (In LITE projection.)
+        "layerInfo": { # What layers exist in this volume and high level information about them.
+          "layers": [ # A layer should appear here if and only if the layer exists for this book.
+            {
+              "volumeAnnotationsVersion": "A String", # The current version of this layer's volume annotations. Note that this version applies only to the data in the books.layers.volumeAnnotations.* responses. The actual annotation data is versioned separately.
+              "layerId": "A String", # The layer id of this layer (e.g. "geo").
+            },
+          ],
+        },
+        "userInfo": { # User specific information related to this volume. (e.g. page this user last read or whether they purchased this book)
+          "isInMyBooks": True or False, # Whether or not this volume is currently in "my books."
+          "updated": "A String", # Timestamp when this volume was last modified by a user action, such as a reading position update, volume purchase or writing a review. (RFC 3339 UTC date-time format).
+          "review": { # This user's review of this volume, if one exists.
+            "rating": "A String", # Star rating for this review. Possible values are ONE, TWO, THREE, FOUR, FIVE or NOT_RATED.
+            "kind": "books#review", # Resource type for a review.
+            "author": { # Author of this review.
+              "displayName": "A String", # Name of this person.
+            },
+            "title": "A String", # Title for this review.
+            "volumeId": "A String", # Volume that this review is for.
+            "content": "A String", # Review text.
+            "source": { # Information regarding the source of this review, when the review is not from a Google Books user.
+              "extraDescription": "A String", # Extra text about the source of the review.
+              "url": "A String", # URL of the source of the review.
+              "description": "A String", # Name of the source.
+            },
+            "date": "A String", # Date of this review.
+            "type": "A String", # Source type for this review. Possible values are EDITORIAL, WEB_USER or GOOGLE_USER.
+            "fullTextUrl": "A String", # URL for the full review text, for reviews gathered from the web.
+          },
+          "isPurchased": True or False, # Whether or not this volume was purchased by the authenticated user making the request. (In LITE projection.)
+          "readingPosition": { # The user's current reading position in the volume, if one is available. (In LITE projection.)
+            "kind": "books#readingPosition", # Resource type for a reading position.
+            "gbImagePosition": "A String", # Position in a volume for image-based content.
+            "epubCfiPosition": "A String", # Position in an EPUB as a CFI.
+            "updated": "A String", # Timestamp when this reading position was last updated (formatted UTC timestamp with millisecond resolution).
+            "volumeId": "A String", # Volume id associated with this reading position.
+            "pdfPosition": "A String", # Position in a PDF file.
+            "gbTextPosition": "A String", # Position in a volume for text-based content.
+          },
+          "isPreordered": True or False, # Whether or not this volume was pre-ordered by the authenticated user making the request. (In LITE projection.)
+        },
       },
     ],
     "kind": "books#volumes", # Resource type.