diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/book/book-rtl.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/book/book-rtl.css	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,15 @@
+/**
+ * @file
+ * Right-to-Left styling for the Book module.
+ */
+
+.book-navigation .menu {
+  padding: 1em 3em 0 0;
+}
+
+.book-navigation .page-previous {
+  float: right;
+}
+.book-navigation .page-up {
+  float: right;
+}