diff --git a/docs/docbook.css b/docs/docbook.css
new file mode 100644
index 0000000..9568e3f
--- /dev/null
+++ b/docs/docbook.css
@@ -0,0 +1,429 @@
+/*
+ * Copyright (c) 2001, 2003, 2010 The FreeBSD Documentation Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * General DocBook styles from the DocBook XSL distribution
+ */
+
+.formalpara-title {
+	font-weight: bold;
+}
+
+a:link {
+	color:#0645AD;
+	text-decoration: underline;
+}
+
+a:visited, a:hover, a:active {
+	color:#663366;
+	text-decoration: underline;
+}
+
+div.blockquote-title {
+	font-weight: bold;
+	margin-top: 1em;
+	margin-bottom: 1em;
+}
+
+span.msgmain-title {
+	font-weight: bold;
+}
+
+span.msgsub-title {
+	font-weight: bold;
+}
+
+span.msgrel-title {
+	font-weight: bold;
+}
+
+div.msglevel, div.msgorig, div.msgaud {
+	margin-top: 1em;
+	margin-bottom: 1em;
+}
+
+span.msglevel-title, span.msgorig-title, span.msgaud-title {
+	font-weight: bold;
+}
+
+div.msgexplan {
+	margin-top: 1em;
+	margin-bottom: 1em;
+}
+
+span.msgexplan-title {
+	font-weight: bold;
+}
+
+div.figure-title {
+	font-weight: bold;
+}
+
+div.example-title {
+	font-weight: bold;
+}
+
+div.equation-title {
+	font-weight: bold;
+}
+
+div.table-title {
+	font-weight: bold;
+}
+
+div.sidebar-title {
+	font-weight: bold;
+}
+
+div.synopsis {
+	white-space: pre;
+	font-family: monospace;
+}
+
+/*
+ * FreeBSD-specific formatting
+ */
+
+body address {
+	line-height: 1.3;
+	margin: .6em 0;
+}
+
+html body {
+	margin: 1em 8% 1em 10%;
+	line-height: 1.2;
+}
+
+@media screen {
+	html body { font-family: sans-serif; }
+}
+
+@media print {
+	html body { font-family: serif; }
+}
+
+.legalnotice {
+	font-size: small;
+	font-variant: small-caps;
+}
+
+body div {
+	margin: 0;
+}
+
+dl {
+	margin: .4em 0 0 0;
+	line-height: 1.2;
+}
+
+dt {
+	font-weight: bold;
+	margin: 0.4em 0 0 0;
+}
+
+div.abstract div.abstract-title,
+div.toc div.toc-title,
+div.list-of-figures div.toc-title,
+div.list-of-tables div.toc-title,
+div.list-of-examples div.toc-title {
+	font-size: 115%;
+}
+
+div.calloutlist dt {
+	float: left;
+width: 1em;}
+
+div.calloutlist dd {
+	clear: right;
+	margin-bottom: 1ex;
+}
+
+body .calloutlist td {
+	padding-right: 0.5em;
+	width: auto;
+}
+
+body .calloutlist td p {
+	line-height: 1.2;
+	margin-top: 4px;
+	margin-bottom: 4px;
+}
+
+body form {
+	margin: .6em 0;
+}
+
+div.example p b,
+.question,
+div.table p b,
+div.procedure p b {
+	color: #990000;
+}
+
+h1.title, h2.title, h3.title, h4.title, h5.title, h6.title,
+h3.author, .corpauthor,
+div.abstract div.abstract-title,
+div.toc div.toc-title,
+div.list-of-figures div.toc-title,
+div.list-of-tables div.toc-title,
+div.list-of-examples div.toc-title {
+	font-weight: bold;
+	line-height: 1.3;
+	margin-top: 1em;
+	margin-left: 0;
+	color: #990000;
+}
+
+h1.title, h2.title {
+	margin: .8em 0 0 -4%;
+}
+
+h3.title, h4.title {
+	margin: .8em 0 0 -3%;
+}
+
+h5.title {
+	margin: .8em 0 0 -2%;
+}
+
+h6.title {
+	margin: .8em 0 0 -1%;
+}
+
+body hr {
+	margin: .6em;
+	border-width: 0 0 1px 0;
+	border-style: solid;
+	border-color: #cecece;
+}
+
+body img.navheader {
+	margin: 0 0 0 -4%;
+}
+
+ol {
+	margin: 0 0 0 1em;
+	line-height: 1.2;
+}
+
+body pre {
+	margin: .75em 0;
+	font-family: monospace;
+}
+
+body td, body th {
+	line-height: 1.2;
+	padding-right: 1.5em;
+}
+
+ul, body dir, body menu {
+	margin: 0 0 0 1em;
+	line-height: 1.2;
+}
+
+html {
+	margin: 0;
+	padding: 0;
+}
+
+.filename {
+	color: #007a00;
+}
+
+.package, .port {
+	color: #007a00;
+	font-family: monospace;
+	font-style: italic;
+}
+
+.svnref {
+	color: #007a00;
+}
+
+.guimenu, .guimenuitem, .guisubmenu,
+.guilabel, .interface,
+.shortcut, .shortcut .keycap {
+	font-weight: bold;
+}
+
+.guibutton {
+	background-color: #CFCFCF;
+	padding: 2px;
+}
+
+.accel {
+	background-color: #F0F0F0;
+	text-decoration: underline;
+}
+
+pre.screen {
+	white-space: pre;
+	overflow: auto;
+	font-family: monospace;
+	padding: 1em;
+	background-color: #edc;
+	border: 1px solid #ccc;
+	border-radius: 4px;
+}
+
+pre.programlisting {
+	white-space: pre;
+	overflow: auto;
+	font-family: monospace;
+	padding: 1ex;
+	background-color: #eee;
+	border: 1px solid #ccc;
+	border-radius: 4px;
+}
+
+@media screen {  /* hide from IE3 */
+	a[href]:hover { background: #ffa }
+}
+
+.informaltable, .table th {
+	padding-left: 0.2em;
+	text-align: left;
+}
+
+.note, .tip, .important, .warning, .caution, .example, div.procedure {
+	border-radius: 4px;
+	padding: 2ex;
+	margin: .75em 3em .75em 1em;
+	line-height: 1.3;
+}
+
+.note, div.procedure {
+	color: #222;
+	background: #eee;
+	border: 1px solid #ccc;
+	width: 90%;
+}
+
+.tip {
+	color: #004F00;
+	background: #d8ecd6;
+	border: 1px solid green;
+	width: 90%;
+}
+
+.important {
+	font-style:italic;
+	border: 1px solid #a00;
+	border-left: 12px solid #c00;
+	width: 90%;
+}
+
+.warning {
+	color: #9F1313;
+	background: #f8e8e8;
+	border: 1px solid #e59595;
+	width: 90%;
+}
+
+.caution {
+	color: #3E3535;
+	background: #FFC;
+	border: 1px solid #e59595;
+	width: 90%;
+}
+
+.example {
+	background: #fefde6;
+	border: 1px solid #f1bb16;
+	width: 90%;
+}
+
+.admontitle {
+	display: inline;
+	line-height: 1;
+	margin-right: 0;
+}
+
+.procedure-title {
+	font-weight: bold;
+	line-height: 1;
+	margin-right: 0;
+}
+
+.note p:first-of-type, .tip p:first-of-type, .important p:first-of-type, .warning p:first-of-type, .caution p:first-of-type {
+	display: inline-block;
+}
+
+.note p, .tip p, .important p, .warning p, .caution p {
+	margin: .4ex 0 .4ex 0;
+}
+
+.informaltable table.calstable tr td {
+	padding-left: 1em;
+	padding-right: 1em;
+}
+
+.authorgroup {
+	font-style: italic;
+}
+
+.userinput,
+.userinput code {
+	font-family: monospace;
+	font-weight: bold;
+}
+
+.errorname {
+	font-family: monospace;
+	font-style:  italic;
+}
+
+pre.screen strong {
+	font-family: monospace;
+	font-weight: normal;
+}
+
+.procedure ol {
+	line-height: 1.2;
+	margin: 0 0 0 -1em;
+}
+
+span.contrib {
+	font-size: small;
+	font-style: italic;
+}
+
+.literal, .command {
+	font-family: monospace;
+}
+
+code.prompt {
+	margin-left: -3px;
+}
+
+
+/** MobilityDB addons **/
+
+tr.question td {
+	vertical-align: bottom ;
+}
diff --git a/docs/mobilitydb-workshop.epub b/docs/mobilitydb-workshop.epub
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diff --git a/docs/mobilitydb-workshop.pdf b/docs/mobilitydb-workshop.pdf
index a5e255d..330a7b3 100644
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