diff --git a/Appendix_A_Installation/README.md b/Appendix_A_Installation/README.md
deleted file mode 100644
index d041551..0000000
--- a/Appendix_A_Installation/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-You may read this book online via nbviewer by using this link:
-[*Read Online Now*](http://nbviewer.ipython.org/github/rlabbe/Kalman-and-Bayesian-Filters-in-Python/blob/master/table_of_contents.ipynb)
diff --git a/Appendix_B_Symbols_and_Notations/Appendix_Symbols_and_Notations.ipynb b/Appendix_B_Symbols_and_Notations.ipynb
similarity index 95%
rename from Appendix_B_Symbols_and_Notations/Appendix_Symbols_and_Notations.ipynb
rename to Appendix_B_Symbols_and_Notations.ipynb
index 097ab36..ada55b0 100644
--- a/Appendix_B_Symbols_and_Notations/Appendix_Symbols_and_Notations.ipynb
+++ b/Appendix_B_Symbols_and_Notations.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:53bdd4d227576a358de986c4a5ec6cf238e76c88031dc1b6d55f06ce9fc5c11b"
+  "signature": "sha256:88870ba7ba4c3aad2c18e5701a8625b32b4d4f124879f4f9d66c4474bc2f93be"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -24,7 +24,7 @@
       "from __future__ import division, print_function\n",
       "import matplotlib.pyplot as plt\n",
       "import sys\n",
-      "sys.path.insert(0,'../') # allow us to format the book\n",
+      "sys.path.insert(0,'./code') # allow us to format the book\n",
       "import book_format\n",
       "book_format.load_style()"
      ],
@@ -35,6 +35,8 @@
        "html": [
         "<style>\n",
         "@import url('http://fonts.googleapis.com/css?family=Source+Code+Pro');\n",
+        "@import url('http://fonts.googleapis.com/css?family=Vollkorn');\n",
+        "@import url('http://fonts.googleapis.com/css?family=Arimo');\n",
         "\n",
         "    div.cell{\n",
         "        width: 850px;\n",
@@ -121,9 +123,9 @@
         "        white-space: nowrap;\n",
         "    }\n",
         "    div.text_cell_render{\n",
-        "        font-family: 'Open sans',verdana,arial,sans-serif;\n",
+        "        font-family: 'Arimo',verdana,arial,sans-serif;\n",
         "        line-height: 135%;\n",
-        "        font-size: 110%;\n",
+        "        font-size: 125%;\n",
         "        width:750px;\n",
         "        margin-left:auto;\n",
         "        margin-right:auto;\n",
@@ -133,12 +135,12 @@
         "    div.output_subarea.output_text.output_pyout {\n",
         "        overflow-x: auto;\n",
         "        overflow-y: scroll;\n",
-        "        max-height: 300px;\n",
+        "        max-height: 50000px;\n",
         "    }\n",
         "    div.output_subarea.output_stream.output_stdout.output_text {\n",
         "        overflow-x: auto;\n",
         "        overflow-y: scroll;\n",
-        "        max-height: 300px;\n",
+        "        max-height: 50000px;\n",
         "    }\n",
         "    code{\n",
         "      font-size: 70%;\n",
@@ -249,13 +251,13 @@
        ],
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 1,
+       "prompt_number": 2,
        "text": [
-        "<IPython.core.display.HTML at 0x7fa10405ba20>"
+        "<IPython.core.display.HTML at 0x7f2372fae7f0>"
        ]
       }
      ],
-     "prompt_number": 1
+     "prompt_number": 2
     },
     {
      "cell_type": "heading",