def on_get(self, req: falcon.Request, resp: falcon.Request, book_id: ByteString):
"""
:param req: A request object
:param resp: A response object
:param book_id: book_id received in http path to query book object
:return:
"""
# Query book collection to get a record with id = book_id
book_obj = Book.objects.get(id=book_id)
# It will set response body as a json object of book fields.
resp.body = json.dumps({'author':book_obj.author,'name':book_obj.name,'isbn':book_obj.isbn})
# Finally return 200 response on success
resp.status = falcon.HTTP_200
