Index: book/bookinfo.xml
===================================================================
--- book/bookinfo.xml	(revision 9abd8c3ec24b5caf9db55f5b82ceb32766e2a25d)
+++ book/bookinfo.xml	(revision 7e3964a08d5c86f099121466ab4a98bf4a1ed79a)
@@ -48,4 +48,10 @@
       <date>&pubdate;</date>
       <revremark>Ongoing Release</revremark>
+    </revision>
+
+    <revision>
+      <revnumber>9.1</revnumber>
+      <date>2020-03-01</date>
+      <revremark>Twenty-first Release</revremark>
     </revision>
 
Index: book/organization.xml
===================================================================
--- book/organization.xml	(revision 9abd8c3ec24b5caf9db55f5b82ceb32766e2a25d)
+++ book/organization.xml	(revision 7e3964a08d5c86f099121466ab4a98bf4a1ed79a)
@@ -71,5 +71,11 @@
   </para>
 
-  <bridgehead renderas="sect2">Part X - X Software</bridgehead>
+  <bridgehead renderas="sect2">Part X - LXDE</bridgehead>
+
+  <para><application>LXDE</application> is another lightweight alternative to
+  <application>GNOME</application> and <application>KDE</application>.
+  </para>
+
+  <bridgehead renderas="sect2">Part XI - X Software</bridgehead>
 
   <para>Office programs and graphical web browsers are important to most people.
@@ -77,10 +83,10 @@
   found in this part of the book.</para>
 
-  <bridgehead renderas="sect2">Part XI - Multimedia</bridgehead>
+  <bridgehead renderas="sect2">Part XII - Multimedia</bridgehead>
 
   <para>Here we cover setting multimedia libraries and drivers along with some
   audio, video and CD-writing programs.</para>
 
-  <bridgehead renderas="sect2">Part XII - Printing, Scanning and
+  <bridgehead renderas="sect2">Part XIII - Printing, Scanning and
   Typesetting (PST)</bridgehead>
 
Index: book/preface.xml
===================================================================
--- book/preface.xml	(revision 9abd8c3ec24b5caf9db55f5b82ceb32766e2a25d)
+++ book/preface.xml	(revision 7e3964a08d5c86f099121466ab4a98bf4a1ed79a)
@@ -20,5 +20,5 @@
   Most of the LFS hints are extremely good and well written
   but I (and others) could still see a need for more comprehensive help to
-  go Beyond LFS - hence BLFS.</para>
+  go Beyond LFS &mdash; hence BLFS.</para>
 
   <para>BLFS aims to be more than the LFS-hints converted to XML although
@@ -34,7 +34,7 @@
 
   <para>Finally, we encourage you to become involved in the community; ask
-  questions on the mailing list or news gateway and join in the fun on #lfs at
-  irc.&lfs-domainname;. You can find more details about all of these in the
-  <xref linkend="introduction"/> section of the book.</para>
+  questions on the mailing list or news gateway and join in the fun on #lfs and
+  #lfs-support at freenode. You can find more details about all of these in
+  the <xref linkend="introduction"/> section of the book.</para>
 
   <para>Enjoy using BLFS.</para>
@@ -72,5 +72,6 @@
   building a complete, functional software system from the source code contributed
   by many talented individuals throughout the world.  They truly allow users
-  to implement the slogan "Your distro, your rules."</para>
+  to implement the slogan
+  <quote><emphasis>Your distro, your rules</emphasis></quote>.</para>
 
   <para>Our goal is to continue to provide the best resource available that shows
@@ -86,5 +87,5 @@
 <literallayout>Bruce Dubbs
 bdubbs &lt;at&gt; &lfs-domainname;
-BLFS Editor (June 2004&ndash;December 2006)</literallayout>
+BLFS Editor (June 2004&ndash;December 2006 and February 2011&ndash;now)</literallayout>
   </blockquote>
 
Index: book/whoread.xml
===================================================================
--- book/whoread.xml	(revision 9abd8c3ec24b5caf9db55f5b82ceb32766e2a25d)
+++ book/whoread.xml	(revision 7e3964a08d5c86f099121466ab4a98bf4a1ed79a)
@@ -27,7 +27,7 @@
   you should also like this!</para>
 
-  <!-- <para>Since Release 5.0, the BLFS book version matches the LFS book version.
+  <para>Since Release 7.4, the BLFS book version matches the LFS book version.
   This book may be incompatible with a previous or later release of the LFS
-  book.</para> -->
+  book.</para>
 
 </sect1>
