diff --git a/lector/reader.py b/lector/reader.py
index a479dc2..041c7e1 100644
--- a/lector/reader.py
+++ b/lector/reader.py
@@ -291,12 +291,12 @@ def _wait_for_js(self):
     These modules provide the interface used to execute API queries.
     """
     # Wait for the Module Manager to load
-    mod_mgr_script = ur"return window.hasOwnProperty('KindleModuleManager');"
+    mod_mgr_script = r"return window.hasOwnProperty('KindleModuleManager');"
     mod_mgr_loaded = lambda br: br.execute_script(mod_mgr_script)
     self._wait(5).until(mod_mgr_loaded)
 
     # Wait for the DB Client to load
-    db_client_script = dedent(ur"""
+    db_client_script = dedent(r"""
         var done = arguments[0];
         if (!window.hasOwnProperty('KindleModuleManager') ||
             !KindleModuleManager
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..8701ad3
--- /dev/null
+++ b/main.py
@@ -0,0 +1,17 @@
+import os
+from lector import KindleCloudReaderAPI
+
+# Zugriff auf Umgebungsvariablen
+email = os.getenv("thomas.m.lenz@t-online.de")
+password = os.getenv("T3454955!")
+
+# API-Initialisierung
+api = KindleCloudReaderAPI(email, password)
+
+# Bibliothek abrufen und aktuellen Lesefortschritt anzeigen
+my_library = api.get_library_metadata()
+book = my_library[0]
+book_progress = api.get_book_progress(book.asin)
+_, current_page, last_page = book_progress.page_nums
+
+print("Currently reading %s (Page %d of %d)" % (book.title, current_page, last_page))