diff --git a/ethfinex/__init__.py b/ethfinex/__init__.py
index aee9568..1d2e3e2 100644
--- a/ethfinex/__init__.py
+++ b/ethfinex/__init__.py
@@ -1 +1 @@
-name = "ethfniex"
\ No newline at end of file
+name = "ethfniex"
diff --git a/ethfinex/public_client.py b/ethfinex/public_client.py
index ea4183e..6b96ccb 100644
--- a/ethfinex/public_client.py
+++ b/ethfinex/public_client.py
@@ -115,11 +115,10 @@ def get_books(self, pair, precision, len=None):
         accepted_len = [25, 100]
         if len and len in accepted_len:
             params['len'] = len
-            return self._send_message(f'/book/{pair}/{precision}', params=params)
         elif len and len not in accepted_len:
             raise ValueError('The len can only be 25 or 100.')
 
-        return self._send_message(f'/book/{pair}/{precision}')
+        return self._send_message(f'/book/{pair}/{precision}', params=params)
 
     # TODO: Include 'side' for the 'pos.size' calls.
     def get_stats(self, symbol, key, size, side, section, sort=None):
@@ -209,7 +208,8 @@ def get_candles(self, symbol, time_frame, section,
         if sort:
             params['sort'] = sort
 
-        return self._send_message(f'/candles/trade:{time_frame}:{symbol}/{section}',
+        url = 'candles/trade:'
+        return self._send_message(f'{url}{time_frame}:{symbol}/{section}',
                                   params=params)
 
     def _send_message(self, endpoint, params=None, data=None):
diff --git a/setup.py b/setup.py
index bbd1cd1..d7cac60 100644
--- a/setup.py
+++ b/setup.py
@@ -18,4 +18,4 @@
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
     ],
-)
\ No newline at end of file
+)