diff --git a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
index 77814d0336..574867ba04 100644
--- a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
@@ -908,6 +908,26 @@ scsibus1:
 	audio tracks, controlling the speed, and other things.</para>
     </sect2>
 
+    <sect2 id="imaging-cd">
+      <title>Duplicating Data CDs</title>
+
+      <para>You can copy a data CD to a image file that is
+	functionally equivalent to the image file created with
+	<command>mkisofs</command>, and you can use it to duplicate
+	any data CD.  The example given here assumes that your CDROM
+	device is <devicename>acd0</devicename>.  Substitute your
+	correct CDROM device.  A <literal>c</literal> must be appended
+	to the end of the device name to indicate the entire partition
+	or, in the case of CDROMs, the entire disc.</para>
+
+      <screen>&prompt.root; <userinput>dd if=/dev/acd0c of=file.iso bs=2048</userinput></screen>
+
+      <para>Now that you have an image, you can burn it to CD as
+	described above.</para>
+
+      <para>This does not work with audio CDs.</para>
+    </sect2>
+
     <sect2 id="mounting-cd">
       <title>Using Data CDs</title>