diff --git a/nw/core/toodt.py b/nw/core/toodt.py
index 5bad6615..09fbb91f 100644
--- a/nw/core/toodt.py
+++ b/nw/core/toodt.py
@@ -24,23 +24,87 @@ You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.
 """
 
+import nw
 import logging
+import os
+
+from lxml import etree
 
 from nw.core.tokenizer import Tokenizer
 
 logger = logging.getLogger(__name__)
 
+XML_NS = {
+    "office" : "urn:oasis:names:tc:opendocument:xmlns:office:1.0",
+    "style"  : "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
+    "text"   : "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
+    "fo"     : "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
+    "loext"  : "urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0",
+}
+
 class ToOdt(Tokenizer):
 
     def __init__(self, theProject, theParent):
         Tokenizer.__init__(self, theProject, theParent)
 
+        self.mainConf = nw.CONFIG
+
+        self._xRoot = None
+        self._xStyl = None
+        self._xText = None
+
+        self._dLanguage = "en"
+        self._dCountry  = "GB"
+        self._dFontFace = "Liberation Serif"
+        self._dFontSize = 12
+
+        return
+
+    ##
+    #  Setters
+    ##
+
+    def setLanguage(self, theLang):
+        """Set language for the document.
+        """
+        if theLang is None:
+            return False
+
+        langBits = theLang.split("_")
+        self._dLanguage = langBits[0]
+        if len(langBits) > 1:
+            self._dCountry = langBits[1]
+
+        return True
+
+    def setFont(self, fontFace, fontSize):
+        """Set font and font size.
+        """
+        self._dFontFace = fontFace
+        self._dFontSize = fontSize
         return
 
     ##
     #  Class Methods
     ##
 
+    def initDocument(self):
+        """Initialises a new open document XML tree.
+        """
+        rAttr = {
+            _mkTag("office", "version")  : "1.3",
+            _mkTag("office", "mimetype") : "application/vnd.oasis.opendocument.text",
+        }
+        self._xRoot = etree.Element(_mkTag("office", "document"), attrib=rAttr, nsmap=XML_NS)
+        self._xStyl = etree.SubElement(self._xRoot, _mkTag("office", "styles"))
+        self._xText = etree.SubElement(self._xRoot, _mkTag("office", "text"))
+
+        # Add Styles
+        self._styleParagraph()
+        self._styleHeaders()
+
+        return
+
     def doConvert(self):
         """Convert the list of text tokens into a HTML document saved
         to theResult.
@@ -48,8 +112,245 @@ class ToOdt(Tokenizer):
         self.theResult = ""
 
         for tType, tLine, tText, tFormat, tStyle in self.theTokens:
-            continue
+
+            # Process Text Type
+            if tType == self.T_EMPTY:
+                continue
+
+            elif tType == self.T_TITLE:
+                continue
+
+        return
+
+    def closeDocument(self):
+        """Return the serialised XML document
+        """
+        self.theResult = etree.tostring(
+            self._xRoot,
+            pretty_print = True,
+            encoding = "utf-8",
+            xml_declaration = True
+        )
+
+        cacheFile = os.path.join(os.path.expanduser("~"), "Temp", "odtGen.fodt")
+        with open(cacheFile, mode="wb") as outFile:
+            outFile.write(self.theResult)
+
+        return
+
+    ##
+    #  Style Elements
+    ##
+
+    def _styleParagraph(self):
+        """Set the paragraph styles.
+        """
+        # Add Default Paragraph Style
+        # ===========================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "family")] = "paragraph"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "default-style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("style", "line-break")]        = "strict"
+        theAttr[_mkTag("style", "tab-stop-distance")] = "1.251cm"
+        theAttr[_mkTag("style", "writing-mode")]      = "page"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("style", "font-name")] = self._dFontFace
+        theAttr[_mkTag("fo",    "font-size")] = "%dpt" % self._dFontSize
+        theAttr[_mkTag("fo",    "language")]  = self._dLanguage
+        theAttr[_mkTag("fo",    "country")]   = self._dCountry
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
+
+        # Add Paragraph Style
+        # ===================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]   = "Standard"
+        theAttr[_mkTag("style", "family")] = "paragraph"
+        theAttr[_mkTag("style", "class")]  = "text"
+        etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        # Add Text Body Style
+        # ===================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]              = "Text_body"
+        theAttr[_mkTag("style", "display-name")]      = "Text Body"
+        theAttr[_mkTag("style", "family")]            = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")] = "Standard"
+        theAttr[_mkTag("style", "class")]             = "text"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo",    "margin-top")]         = "0cm"
+        theAttr[_mkTag("fo",    "margin-bottom")]      = "0.247cm"
+        theAttr[_mkTag("style", "contextual-spacing")] = "false"
+        theAttr[_mkTag("fo",    "line-height")]        = "115%"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        return
+
+    def _styleHeaders(self):
+        """Set the header styles.
+        """
+        # Add Default Heading Style
+        # =========================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]              = "Heading"
+        theAttr[_mkTag("style", "family")]            = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")] = "Standard"
+        theAttr[_mkTag("style", "next-style-name")]   = "Text_body"
+        theAttr[_mkTag("style", "class")]             = "text"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo",    "margin-top")]         = "0.423cm"
+        theAttr[_mkTag("fo",    "margin-bottom")]      = "0.212cm"
+        theAttr[_mkTag("style", "contextual-spacing")] = "false"
+        theAttr[_mkTag("fo",    "keep-with-next")]     = "always"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("style", "font-name")]   = self._dFontFace
+        theAttr[_mkTag("fo",    "font-family")] = "'%s'" % self._dFontFace
+        theAttr[_mkTag("style", "font-pitch")]  = "variable"
+        theAttr[_mkTag("fo",    "font-size")]   = "14pt"
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
+
+        # Add Title Style
+        # ===============
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]              = "Title"
+        theAttr[_mkTag("style", "family")]            = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")] = "Heading"
+        theAttr[_mkTag("style", "next-style-name")]   = "Text_body"
+        theAttr[_mkTag("style", "class")]             = "chapter"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo", "text-align")] = "center"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo", "font-size")]   = "28pt"
+        theAttr[_mkTag("fo", "font-weight")] = "bold"
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
+
+        # Add Heading 1 Style
+        # ===================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]                  = "Heading_1"
+        theAttr[_mkTag("style", "display-name")]          = "Heading 1"
+        theAttr[_mkTag("style", "family")]                = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")]     = "Heading"
+        theAttr[_mkTag("style", "next-style-name")]       = "Text_body"
+        theAttr[_mkTag("style", "default-outline-level")] = "1"
+        theAttr[_mkTag("style", "class")]                 = "text"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo",    "margin-top")]         = "0.423cm"
+        theAttr[_mkTag("fo",    "margin-bottom")]      = "0.212cm"
+        theAttr[_mkTag("style", "contextual-spacing")] = "false"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo", "font-size")]   = "130%"
+        theAttr[_mkTag("fo", "font-weight")] = "bold"
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
+
+        # Add Heading 2 Style
+        # ===================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]                  = "Heading_2"
+        theAttr[_mkTag("style", "display-name")]          = "Heading 2"
+        theAttr[_mkTag("style", "family")]                = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")]     = "Heading"
+        theAttr[_mkTag("style", "next-style-name")]       = "Text_body"
+        theAttr[_mkTag("style", "default-outline-level")] = "2"
+        theAttr[_mkTag("style", "class")]                 = "text"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo",    "margin-top")]         = "0.353cm"
+        theAttr[_mkTag("fo",    "margin-bottom")]      = "0.212cm"
+        theAttr[_mkTag("style", "contextual-spacing")] = "false"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo", "font-size")]   = "120%"
+        theAttr[_mkTag("fo", "font-weight")] = "bold"
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
+
+        # Add Heading 3 Style
+        # ===================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]                  = "Heading_3"
+        theAttr[_mkTag("style", "display-name")]          = "Heading 3"
+        theAttr[_mkTag("style", "family")]                = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")]     = "Heading"
+        theAttr[_mkTag("style", "next-style-name")]       = "Text_body"
+        theAttr[_mkTag("style", "default-outline-level")] = "3"
+        theAttr[_mkTag("style", "class")]                 = "text"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo",    "margin-top")]         = "0.247cm"
+        theAttr[_mkTag("fo",    "margin-bottom")]      = "0.212cm"
+        theAttr[_mkTag("style", "contextual-spacing")] = "false"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo", "font-size")]   = "110%"
+        theAttr[_mkTag("fo", "font-weight")] = "bold"
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
+
+        # Add Heading 4 Style
+        # ===================
+
+        theAttr = {}
+        theAttr[_mkTag("style", "name")]                  = "Heading_4"
+        theAttr[_mkTag("style", "display-name")]          = "Heading 4"
+        theAttr[_mkTag("style", "family")]                = "paragraph"
+        theAttr[_mkTag("style", "parent-style-name")]     = "Heading"
+        theAttr[_mkTag("style", "next-style-name")]       = "Text_body"
+        theAttr[_mkTag("style", "default-outline-level")] = "4"
+        theAttr[_mkTag("style", "class")]                 = "text"
+        xStyl = etree.SubElement(self._xStyl, _mkTag("style", "style"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo",    "margin-top")]         = "0.247cm"
+        theAttr[_mkTag("fo",    "margin-bottom")]      = "0.212cm"
+        theAttr[_mkTag("style", "contextual-spacing")] = "false"
+        etree.SubElement(xStyl, _mkTag("style", "paragraph-properties"), attrib=theAttr)
+
+        theAttr = {}
+        theAttr[_mkTag("fo", "font-size")]   = "100%"
+        theAttr[_mkTag("fo", "font-weight")] = "bold"
+        etree.SubElement(xStyl, _mkTag("style", "text-properties"), attrib=theAttr)
 
         return
 
 # END Class ToOdt
+
+# =========================================================================== #
+#  Local Functions
+# =========================================================================== #
+
+def _mkTag(nsName, tagName):
+    """Assemble namespace and tag name.
+    """
+    theNS = XML_NS.get(nsName, "")
+    if theNS:
+        return "{%s}%s" % (theNS, tagName)
+    logger.warning("Missing xml namespace '%s'" % nsName)
+    return tagName
diff --git a/tests/test_core/test_core_toodt.py b/tests/test_core/test_core_toodt.py
index c9fe5b10..6159929a 100644
--- a/tests/test_core/test_core_toodt.py
+++ b/tests/test_core/test_core_toodt.py
@@ -20,16 +20,32 @@ You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.
 """
 
+import nw
 import pytest
 
 from nw.core import NWProject, NWIndex, ToOdt
 
 @pytest.mark.core
-def testCoreToOdt_Convert(dummyGUI):
+def testCoreToOdt_Convert(tmpConf, dummyGUI):
     """Test the converter of the ToHtml class.
     """
+    nw.CONFIG = tmpConf
+
     theProject = NWProject(dummyGUI)
     dummyGUI.theIndex = NWIndex(theProject, dummyGUI)
     theDoc = ToOdt(theProject, dummyGUI)
 
+    # Export Mode
+    # ===========
+
+    theDoc.isNovel = True
+
+    # Header 1
+    theDoc.theText = "# Title\n"
+    theDoc.tokenizeText()
+    theDoc.initDocument()
+    theDoc.doConvert()
+    theDoc.closeDocument()
+    assert theDoc.theResult == ""
+
 # END Test testCoreToOdt_Convert