diff --git a/resources/images/help.svg b/resources/images/help.svg
index be41385b7d..8d02701898 100644
--- a/resources/images/help.svg
+++ b/resources/images/help.svg
@@ -1,234 +1,176 @@
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+     id="XMLID_10_" /></defs>
 	<clipPath
    id="XMLID_6_">
 		<use
-   xlink:href="#XMLID_10_"
    id="use3143"
    x="0"
    y="0"
    width="139"
-   height="139" />
+   height="139"
+   xlink:href="#XMLID_10_" />
 	</clipPath>
 	<g
    clip-path="url(#XMLID_6_)"
    id="g3145"
    style="filter:url(#AI_Sfocatura_2)">
 		<path
-   d="M 27.6,69.6 C 27.6,92.759 46.441,111.6 69.6,111.6 C 92.759,111.6 111.6,92.759 111.6,69.6 C 111.6,46.441 92.759,27.6 69.6,27.6 C 46.441,27.6 27.6,46.441 27.6,69.6 z"
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-     sodipodi:ry="8"
-     sodipodi:rx="8"
-     sodipodi:cy="93.599998"
-     sodipodi:cx="69.599998"
+     d="m 63.37,80.089 -0.178,-2.343 c -0.18,-4.598 1.248,-9.284 5.259,-14.062 2.853,-3.424 5.169,-6.398 5.169,-9.463 0,-3.064 -2.049,-5.227 -6.418,-5.318 -3.029,0 -6.506,0.992 -8.913,2.614 l -2.941,-9.733 c 3.208,-1.894 8.467,-3.696 14.885,-3.696 11.677,0 17.115,6.58 17.115,13.97 0,6.939 -4.279,11.357 -7.667,15.231 -3.209,3.605 -4.635,7.121 -4.546,11.177 l 0,1.622 -11.765,0 0,0.001 z"
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+   id="g5101"><path
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\ No newline at end of file
diff --git a/src/calibre/devices/apple/driver.py b/src/calibre/devices/apple/driver.py
index 3156542a92..618fc27545 100644
--- a/src/calibre/devices/apple/driver.py
+++ b/src/calibre/devices/apple/driver.py
@@ -2586,14 +2586,20 @@ class ITUNES(DriverBase):
             if metadata.series and self.settings().read_metadata:
                 if DEBUG:
                     self.log.info("   using Series name as Genre")
+
+                # Format the index as a sort key
+                index = metadata.series_index
+                integer = int(index)
+                fraction = index-integer
+                series_index = '%04d%s' % (integer, str('%0.4f' % fraction).lstrip('0'))
                 if lb_added:
-                    lb_added.sort_name.set("%s %04f" % (metadata.series, metadata.series_index))
+                    lb_added.sort_name.set("%s %s" % (metadata.series, series_index))
                     lb_added.genre.set(metadata.series)
                     lb_added.episode_ID.set(metadata.series)
                     lb_added.episode_number.set(metadata.series_index)
 
                 if db_added:
-                    db_added.sort_name.set("%s %04f" % (metadata.series, metadata.series_index))
+                    db_added.sort_name.set("%s %s" % (metadata.series, series_index))
                     db_added.genre.set(metadata.series)
                     db_added.episode_ID.set(metadata.series)
                     db_added.episode_number.set(metadata.series_index)
@@ -2658,8 +2664,13 @@ class ITUNES(DriverBase):
             if metadata.series and self.settings().read_metadata:
                 if DEBUG:
                     self.log.info("   using Series name as Genre")
+                # Format the index as a sort key
+                index = metadata.series_index
+                integer = int(index)
+                fraction = index-integer
+                series_index = '%04d%%s' % (integer, str('%0.4f' % fraction).lstrip('0'))
                 if lb_added:
-                    lb_added.SortName = "%s %04f" % (metadata.series, metadata.series_index)
+                    lb_added.SortName = "%s %s" % (metadata.series, series_index)
                     lb_added.Genre = metadata.series
                     lb_added.EpisodeID = metadata.series
                     try:
@@ -2667,7 +2678,7 @@ class ITUNES(DriverBase):
                     except:
                         pass
                 if db_added:
-                    db_added.SortName = "%s %04f" % (metadata.series, metadata.series_index)
+                    db_added.SortName = "%s %s" % (metadata.series, series_index)
                     db_added.Genre = metadata.series
                     db_added.EpisodeID = metadata.series
                     try: