diff --git a/pyinvoice/components.py b/pyinvoice/components.py
index e2f81b1..987c7d4 100644
--- a/pyinvoice/components.py
+++ b/pyinvoice/components.py
@@ -25,7 +25,7 @@ class SimpleTable(Table):
     ])
 
     def __init__(self, data, horizontal_align=None):
-        Table.__init__(self, data, style=self.style, hAlign=horizontal_align)
+        Table.__init__(self, data, hAlign=horizontal_align)
 
 
 class PaidStamp(object):
diff --git a/pyinvoice/models.py b/pyinvoice/models.py
index a54f926..fe40747 100644
--- a/pyinvoice/models.py
+++ b/pyinvoice/models.py
@@ -1,9 +1,12 @@
+from __future__ import unicode_literals
+
+
 class PDFInfo(object):
-    def __init__(self, title, author, subject):
+    def __init__(self, title=None, author=None, subject=None):
         self.title = title
         self.author = author
         self.subject = subject
-        self.creator = 'pyinvlice (https://ciciapp.com/pyinvoice)'
+        self.creator = 'PyInvoice (https://ciciapp.com/pyinvoice)'
 
 
 class InvoiceInfo(object):
diff --git a/pyinvoice/templates.py b/pyinvoice/templates.py
index 5d299d7..5d9de36 100644
--- a/pyinvoice/templates.py
+++ b/pyinvoice/templates.py
@@ -1,10 +1,19 @@
+from __future__ import unicode_literals
+from datetime import datetime, date
 from reportlab.lib.pagesizes import letter
 from reportlab.lib.units import inch
 from reportlab.platypus import SimpleDocTemplate
+from pyinvoice.components import SimpleTable
+from pyinvoice.models import PDFInfo, Item, Transaction, InvoiceInfo, ServiceProviderInfo, ClientInfo
 
 
 class SimpleInvoice(SimpleDocTemplate):
-    def __init__(self, invoice_path):
+    default_pdf_info = PDFInfo(title='Invoice', author='CiCiApp.com', subject='Invoice')
+
+    def __init__(self, invoice_path, pdf_info=None):
+        if not pdf_info:
+            pdf_info = self.default_pdf_info
+
         SimpleDocTemplate.__init__(
             self,
             invoice_path,
@@ -12,5 +21,70 @@ class SimpleInvoice(SimpleDocTemplate):
             rightMargin=inch,
             leftMargin=inch,
             topMargin=inch,
-            bottomMargin=inch
-        )
\ No newline at end of file
+            bottomMargin=inch,
+            **pdf_info.__dict__
+        )
+
+        self.invoice_info = None
+        self.service_provider_info = None
+        self.client_info = None
+        self._items = []
+        self._transactions = []
+
+    @property
+    def items(self):
+        return self._items[:]
+
+    def add_item(self, item):
+        if isinstance(item, Item):
+            self._items.append(item)
+
+    @property
+    def transactions(self):
+        return self._transactions[:]
+
+    def add_transaction(self, t):
+        if isinstance(t, Transaction):
+            self._transactions.append(t)
+
+    @staticmethod
+    def __attribute_to_table_data(instance, attribute_verbose_name_list):
+        data = []
+
+        for p, v in attribute_verbose_name_list:
+            attr = getattr(instance, p)
+            if attr is not None:
+                # TODO: datetime format
+                if isinstance(attr, datetime):
+                    attr = attr.strftime('%Y-%m-%d %H:%M')
+                elif isinstance(attr, date):
+                    attr = attr.strftime('%Y-%m-%d')
+                data.append(['{0}:'.format(v), attr])
+
+        return data
+
+    def finish(self):
+        story = []
+
+        if isinstance(self.invoice_info, InvoiceInfo):
+            props = [('invoice_id', 'Invoice id'), ('invoice_datetime', 'Invoice date'),
+                     ('due_datetime', 'Invoice due date')]
+
+            story.append(
+                SimpleTable(self.__attribute_to_table_data(self.invoice_info, props), horizontal_align='LEFT')
+            )
+
+        if isinstance(self.service_provider_info, ServiceProviderInfo):
+            props = [('name', 'Name'), ('street', 'Street'), ('city', 'City'), ('state', 'State'),
+                     ('country', 'Country'), ('post_code', 'Post code')]
+
+            story.append(
+                SimpleTable(self.__attribute_to_table_data(self.service_provider_info, props), horizontal_align='RIGHT')
+            )
+
+        if isinstance(self.client_info, ClientInfo):
+            props = [('name', 'Name'), ('street', 'Street'), ('city', 'City'), ('state', 'State'),
+                     ('country', 'Country'), ('post_code', 'Post code'), ('email', 'Email'), ('client_id', 'Client id')]
+            story.append(SimpleTable(self.__attribute_to_table_data(self.client_info, props), horizontal_align='LEFT'))
+
+        self.build(story)
\ No newline at end of file
diff --git a/test.py b/test.py
index d17257d..69d3304 100644
--- a/test.py
+++ b/test.py
@@ -1,25 +1,28 @@
-from reportlab.lib.units import inch
-from pyinvoice.components import SimpleTable, PaidStamp
+from datetime import datetime
+from pyinvoice.models import InvoiceInfo, ServiceProviderInfo, ClientInfo
 from pyinvoice.templates import SimpleInvoice
 
-story = []
-
-address_table = SimpleTable([
-    ['Name', 'zhangshine'],
-    ['City', 'Jining'],
-    ['City', 'Jining'],
-    ['City', 'Jining'],
-    ['City', 'Jining'],
-    ['City', 'Jining']
-], horizontal_align='RIGHT')
-story.append(address_table)
-
-merchant_table = SimpleTable([
-    ['Name', 'CiCiApp'],
-    ['xxxx', 'yyyy']
-], horizontal_align='LEFT')
-story.append(merchant_table)
-
 doc = SimpleInvoice('test.pdf')
+doc.invoice_info = InvoiceInfo('1024', datetime.now(), datetime.now())
+doc.service_provider_info = ServiceProviderInfo(
+    name='PyInvoice',
+    street='My Street',
+    city='My City',
+    state='My State',
+    country='My Country',
+    post_code='My Post code'
+)
 
-doc.build(story, onFirstPage=PaidStamp(7*inch, 5.8*inch))
+doc.client_info = ClientInfo(
+    email='My Email',
+    client_id='My Client Id',
+    name='Client Name',
+    street='Client Street',
+    city='Client City',
+    state='Client State',
+    country='Client country',
+    post_code='Client Post code'
+)
+
+# doc.build(story, onFirstPage=PaidStamp(7*inch, 5.8*inch))
+doc.finish()
\ No newline at end of file