diff --git a/book/chapters/1.0about.ipynb b/book/chapters/1.0about.ipynb
index 8523477..1f4b33f 100644
--- a/book/chapters/1.0about.ipynb
+++ b/book/chapters/1.0about.ipynb
@@ -49,13 +49,25 @@
     "\n",
     "\n",
     "The book is divided into two parts. The first part emphasizes scientific research\n",
-    "concerning the upper layer of the\n",
+    "concerning the upper layer of the ocean. This narrative is driven by data, specifically\n",
+    "observational data through a variety of systems and programs. \n",
+    "\n",
+    "\n",
+    "The second part of the book is technical background: Documentation on how the first \n",
+    "part works. \n",
     "\n",
     "\n",
     "\n",
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
diff --git a/book/chapters/1.1oceanscience.ipynb b/book/chapters/1.1oceanscience.ipynb
index eaafeb8..076de2b 100644
--- a/book/chapters/1.1oceanscience.ipynb
+++ b/book/chapters/1.1oceanscience.ipynb
@@ -8,6 +8,7 @@
     "<br> [GitHub repo](https://github.com/geo-smart/oceanography)\n",
     "<br> [Regional Cabled Array Learning Site](https://interactiveoceans.washington.edu)\n",
     "<br> [Ryan Abernathy's Introduction to Physical Oceanography](https://rabernat.github.io/intro_to_physical_oceanography/intro.html#)\n",
+    "<br> [Source repo for same](https://github.com/rabernat/intro_to_physical_oceanography)\n",
     "\n",
     "\n",
     "\n",
@@ -35,6 +36,17 @@
     "<BR>\n",
     "\n",
     "\n",
+    "Look into I2PO for this example of inclusion: Seems to work in both contexts.\n",
+    "Down side: Not markdown.\n",
+    "\n",
+    "```\n",
+    "from IPython.display import SVG, display, Image, display_svg, YouTubeVideo\n",
+    "\n",
+    "Image(filename='04_images/LY09_Drag_Coefficient.png', width=800)\n",
+    "```\n",
+    "\n",
+    "\n",
+    "\n",
     "## Science basis\n",
     "\n",
     "\n",