diff --git a/Manuals/Tcpi-ug/Services.docbook b/Manuals/Tcpi-ug/Services.docbook
new file mode 100755
index 0000000..bc70147
--- /dev/null
+++ b/Manuals/Tcpi-ug/Services.docbook
@@ -0,0 +1,16 @@
+<part id="services">
+
+    <title>Internet Services</title>
+    
+    <partintro>
+    <para>
+        This part of the book describes the Internet services &TCP;
+        maintains.
+    </para>
+    </partintro>
+
+    &services-dns;
+    &services-mail;
+    &services-ldap;
+
+</part>
diff --git a/Manuals/Tcpi-ug/Services.ent b/Manuals/Tcpi-ug/Services.ent
new file mode 100755
index 0000000..e9258a4
--- /dev/null
+++ b/Manuals/Tcpi-ug/Services.ent
@@ -0,0 +1,4 @@
+<!ENTITY services                   SYSTEM "Services.docbook">
+<!ENTITY services-dns               SYSTEM "Services/Dns.docbook">
+<!ENTITY services-mail              SYSTEM "Services/Mail.docbook">
+<!ENTITY services-ldap              SYSTEM "Services/Ldap.docbook">
diff --git a/Manuals/Tcpi-ug/Services/Dns.docbook b/Manuals/Tcpi-ug/Services/Dns.docbook
new file mode 100644
index 0000000..5566bd3
--- /dev/null
+++ b/Manuals/Tcpi-ug/Services/Dns.docbook
@@ -0,0 +1,9 @@
+<chapter id="services-dns">
+
+    <title>Domain Names Server (BIND)</title>
+
+    <para>
+        ...
+    </para>
+
+</chapter>
diff --git a/Manuals/Tcpi-ug/Services/Ldap.docbook b/Manuals/Tcpi-ug/Services/Ldap.docbook
new file mode 100644
index 0000000..478a411
--- /dev/null
+++ b/Manuals/Tcpi-ug/Services/Ldap.docbook
@@ -0,0 +1,9 @@
+<chapter id="services-ldap">
+
+    <title>Directory Server (LDAP)</title>
+
+    <para>
+        ...
+    </para>
+
+</chapter>
diff --git a/Manuals/Tcpi-ug/Services/Mail.docbook b/Manuals/Tcpi-ug/Services/Mail.docbook
new file mode 100644
index 0000000..1f4522a
--- /dev/null
+++ b/Manuals/Tcpi-ug/Services/Mail.docbook
@@ -0,0 +1,9 @@
+<chapter id="services-mail">
+
+    <title>Mail Server (Postfix+SASL+Cyrus)</title>
+
+    <para>
+        ...
+    </para>
+
+</chapter>
diff --git a/Manuals/Tcpi-ug/tcpi-ug.docbook b/Manuals/Tcpi-ug/tcpi-ug.docbook
index 9e20d74..5abb6bb 100755
--- a/Manuals/Tcpi-ug/tcpi-ug.docbook
+++ b/Manuals/Tcpi-ug/tcpi-ug.docbook
@@ -5,10 +5,12 @@
 
 <!ENTITY % Commons.ent          SYSTEM "Commons.ent">
 <!ENTITY % Preface.ent          SYSTEM "Preface.ent">
+<!ENTITY % Services.ent         SYSTEM "Services.ent">
 <!ENTITY % Licenses.ent         SYSTEM "Licenses.ent">
 
 %Commons.ent;
 %Preface.ent;
+%Services.ent;
 %Licenses.ent;
 ]>
 
@@ -67,6 +69,7 @@
     &preface;
 
     <!-- Main matter -->
+    &services;
 
     <!-- Back matter -->
     &licenses;