diff --git a/src/calibre/devices/cybookg3/driver.py b/src/calibre/devices/cybookg3/driver.py
index 75a67b146c..0998a60451 100644
--- a/src/calibre/devices/cybookg3/driver.py
+++ b/src/calibre/devices/cybookg3/driver.py
@@ -7,6 +7,7 @@ Device driver for Bookeen's Cybook Gen 3
 import os, shutil
 from itertools import cycle
 
+from calibre.ebooks.metadata import authors_to_string
 from calibre.devices.errors import FreeSpaceError
 from calibre.devices.usbms.driver import USBMS
 import calibre.devices.cybookg3.t2b as t2b
@@ -73,7 +74,7 @@ class CYBOOKG3(USBMS):
             if self.SUPPORTS_SUB_DIRS:
                 if 'tags' in mdata.keys():
                     for tag in mdata['tags']:
-                        if tag.startswith(('News')):
+                        if tag.startswith(_('News')):
                             newpath = os.path.join(newpath, 'news')
                             newpath = os.path.join(newpath, mdata.get('title', ''))
                             newpath = os.path.join(newpath, mdata.get('timestamp', ''))
@@ -84,7 +85,7 @@ class CYBOOKG3(USBMS):
                             break
                             
                 if newpath == path:
-                    newpath = os.path.join(newpath, mdata.get('authors', ''))
+                    newpath = os.path.join(newpath, authors_to_string(mdata.get('authors', '')))
                     newpath = os.path.join(newpath, mdata.get('title', ''))
 
             if not os.path.exists(newpath):
diff --git a/src/calibre/devices/usbms/driver.py b/src/calibre/devices/usbms/driver.py
index 67fbac2fa9..bf231c1ffe 100644
--- a/src/calibre/devices/usbms/driver.py
+++ b/src/calibre/devices/usbms/driver.py
@@ -115,7 +115,7 @@ class USBMS(Device):
                             break
                             
                 if newpath == path:
-                    newpath = os.path.join(newpath, mdata.get('authors', ''))
+                    newpath = os.path.join(newpath, authors_to_string(mdata.get('authors', '')))
                     newpath = os.path.join(newpath, mdata.get('title', ''))
 
             if not os.path.exists(newpath):
diff --git a/src/calibre/ebooks/mobi/reader.py b/src/calibre/ebooks/mobi/reader.py
index 18663660b4..a72eb7716a 100644
--- a/src/calibre/ebooks/mobi/reader.py
+++ b/src/calibre/ebooks/mobi/reader.py
@@ -249,7 +249,6 @@ class MobiReader(object):
             pass
         parse_cache[htmlfile] = root
         self.htmlfile = htmlfile
-        
         self.log.debug('Creating OPF...')
         ncx = cStringIO.StringIO()
         opf = self.create_opf(htmlfile, guide, root)
@@ -290,7 +289,6 @@ class MobiReader(object):
                                 elem.getparent().remove(elem)
                                 break
                     break
-        
     
     def cleanup_html(self):
         self.log.debug('Cleaning up HTML...')
@@ -576,5 +574,4 @@ def get_metadata(stream):
         except:
             log.exception()
     return mi
-        
-        
+