fix(books): update the API

#### books:v1
The following keys were changed:
- baseUrl
- batchPath
- mtlsRootUrl
- rootUrl

discovery/books-v1.json

@@ -9,8 +9,8 @@
     }
   },
   "basePath": "",
-  "baseUrl": "https://www.googleapis.com/",
-  "batchPath": "batch/books/v1",
+  "baseUrl": "https://books.googleapis.com/",
+  "batchPath": "batch",
   "description": "The Google Books API allows clients to access the Google Books repository.",
   "discoveryVersion": "v1",
   "documentationLink": "https://code.google.com/apis/books/docs/v1/getting_started.html",
@@ -20,7 +20,7 @@
   },
   "id": "books:v1",
   "kind": "discovery#restDescription",
-  "mtlsRootUrl": "https://www.mtls.googleapis.com/",
+  "mtlsRootUrl": "https://books.mtls.googleapis.com/",
   "name": "books",
   "ownerDomain": "google.com",
   "ownerName": "Google",
@@ -2581,8 +2581,8 @@
       }
     }
   },
-  "revision": "20200717",
-  "rootUrl": "https://www.googleapis.com/",
+  "revision": "20200925",
+  "rootUrl": "https://books.googleapis.com/",
   "schemas": {
     "Annotation": {
       "id": "Annotation",

src/apis/books/README.md

@@ -2,7 +2,7 @@
 
 # books
 
-> Searches for books and manages your Google Books library.
+> The Google Books API allows clients to access the Google Books repository.
 
 ## Installation