diff --git a/calibre-plugin/plugin-defaults.ini b/calibre-plugin/plugin-defaults.ini
index 96ccf88e..a87d1d8f 100644
--- a/calibre-plugin/plugin-defaults.ini
+++ b/calibre-plugin/plugin-defaults.ini
@@ -3011,6 +3011,17 @@ sitetags_label:Site tags
 ## Attempt to fix p and br excess from HTML in great many stories
 fix_excess_space:false
 
+[www.novelupdates.cc]
+## Note that novelupdates.cc != novelupdates.com
+
+## There is reason to believe that novelupdates.cc may be a
+## replacement for wuxiaworld.co, but currently both exist with
+## different data.
+
+## When dedup_order_chapter_list:true, use a heuristic algorithm
+## specific to novelupdates.cc order and dedup chapters.
+dedup_order_chapter_list:false
+
 [www.phoenixsong.net]
 ## Some sites require login (or login for some rated stories) The
 ## program can prompt you, or you can save it in config.  In
@@ -3151,6 +3162,12 @@ extracategories:Lord of the Rings
 
 website_encodings:Windows-1252,utf8
 
+[www.the-sietch.com]
+## see [base_xenforoforum]
+
+## the-sietch.com shows more posts per reader page than other XF sites.
+reader_posts_per_page:15
+
 [www.thedelphicexpanse.com]
 ## Site dedicated to these categories/characters/ships
 extracategories:Star Trek: Enterprise
@@ -3333,12 +3350,6 @@ website_encodings:Windows-1252,utf8
 ## specific to wuxiaworld.co order and dedup chapters.
 dedup_order_chapter_list:false
 
-[www.novelupdates.cc]
-## Note that novelupdates.cc != novelupdates.com
-## When dedup_order_chapter_list:true, use a heuristic algorithm
-## specific to novelupdates.cc order and dedup chapters.
-dedup_order_chapter_list:false
-
 [www.wuxiaworld.com]
 user_agent:Mozilla/5.0
 ## Authors on wuxiaworld.com create their own index pages, so it's not
diff --git a/fanficfare/adapters/__init__.py b/fanficfare/adapters/__init__.py
index 9ee575cd..5a501e12 100644
--- a/fanficfare/adapters/__init__.py
+++ b/fanficfare/adapters/__init__.py
@@ -173,6 +173,7 @@ from . import adapter_chireadscom
 from . import adapter_scribblehubcom
 from . import adapter_fictionlive
 from . import adapter_wuxiaworldsite
+from . import adapter_thesietchcom
 
 ## This bit of complexity allows adapters to be added by just adding
 ## importing.  It eliminates the long if/else clauses we used to need
diff --git a/fanficfare/adapters/adapter_thesietchcom.py b/fanficfare/adapters/adapter_thesietchcom.py
new file mode 100644
index 00000000..bc3e311b
--- /dev/null
+++ b/fanficfare/adapters/adapter_thesietchcom.py
@@ -0,0 +1,53 @@
+#  -*- coding: utf-8 -*-
+
+# Copyright 2020 FanFicFare team
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+from __future__ import absolute_import
+import re
+
+# py2 vs py3 transition
+from ..six import text_type as unicode
+
+from .base_xenforo2forum_adapter import BaseXenForo2ForumAdapter
+
+def getClass():
+    return TheSietchComAdapter
+
+class TheSietchComAdapter(BaseXenForo2ForumAdapter):
+
+    def __init__(self, config, url):
+        BaseXenForo2ForumAdapter.__init__(self, config, url)
+
+        # Each adapter needs to have a unique site abbreviation.
+        self.story.setMetadata('siteabbrev','sietch')
+
+    @staticmethod # must be @staticmethod, don't remove it.
+    def getSiteDomain():
+        # The site domain.  Does have www here, if it uses it.
+        return 'www.the-sietch.com'
+
+    @classmethod
+    def getPathPrefix(cls):
+        # in case it needs more than just site/
+        return '/index.php?'
+
+    def make_reader_url(self,tmcat_num,reader_page_num):
+        # https://www.the-sietch.com/index.php?threads/shattered-sphere-the-arcadian-free-march.3243/reader/page-2
+        # discard tmcat_num -- the-sietch.com doesn't have multiple
+        # threadmark categories yet.
+        return self.story.getMetadata('storyUrl')+'reader/page-'+unicode(reader_page_num)
+
+# XXX different threadmarks categories
diff --git a/fanficfare/defaults.ini b/fanficfare/defaults.ini
index 54381bdb..91c66417 100644
--- a/fanficfare/defaults.ini
+++ b/fanficfare/defaults.ini
@@ -3033,6 +3033,17 @@ sitetags_label:Site tags
 ## Attempt to fix p and br excess from HTML in great many stories
 fix_excess_space:false
 
+[www.novelupdates.cc]
+## Note that novelupdates.cc != novelupdates.com
+
+## There is reason to believe that novelupdates.cc may be a
+## replacement for wuxiaworld.co, but currently both exist with
+## different data.
+
+## When dedup_order_chapter_list:true, use a heuristic algorithm
+## specific to novelupdates.cc order and dedup chapters.
+dedup_order_chapter_list:false
+
 [www.phoenixsong.net]
 ## Some sites require login (or login for some rated stories) The
 ## program can prompt you, or you can save it in config.  In
@@ -3173,6 +3184,12 @@ extracategories:Lord of the Rings
 
 website_encodings:Windows-1252,utf8
 
+[www.the-sietch.com]
+## see [base_xenforoforum]
+
+## the-sietch.com shows more posts per reader page than other XF sites.
+reader_posts_per_page:15
+
 [www.thedelphicexpanse.com]
 ## Site dedicated to these categories/characters/ships
 extracategories:Star Trek: Enterprise
@@ -3355,12 +3372,6 @@ website_encodings:Windows-1252,utf8
 ## specific to wuxiaworld.co order and dedup chapters.
 dedup_order_chapter_list:false
 
-[www.novelupdates.cc]
-## Note that novelupdates.cc != novelupdates.com
-## When dedup_order_chapter_list:true, use a heuristic algorithm
-## specific to novelupdates.cc order and dedup chapters.
-dedup_order_chapter_list:false
-
 [www.wuxiaworld.com]
 user_agent:Mozilla/5.0
 ## Authors on wuxiaworld.com create their own index pages, so it's not