diff --git a/index.ipynb b/index.ipynb
index dd1af7c..c9878a6 100644
--- a/index.ipynb
+++ b/index.ipynb
@@ -22,16 +22,22 @@
     "### To activate extensions\n",
     "* If this is an interactive session (see above), you may want to turn on a few Jupyter extensions by going to the [Extension Configuration](../nbextensions/) page. In particular the \"*table of contents (2)*\" extension is quite useful.\n",
     "\n",
-    "## In progress\n",
-    "**More notebooks are coming soon...**\n",
+    "## Chapters\n",
+    "1. [Fundamentals](fundamentals.ipynb)\n",
+    "2. [End-to-end project](end_to_end_project.ipynb)\n",
+    "3. [Classification](classification.ipynb)\n",
+    "4. [Training Linear Models](training_linear_models.ipynb)\n",
     "\n",
-    "## Tools\n",
+    "More explanations and chapters coming soon.\n",
+    "\n",
+    "## Scientific Python tutorials\n",
     "* [NumPy](tools_numpy.ipynb)\n",
     "* [Matplotlib](tools_matplotlib.ipynb)\n",
     "* [Pandas](tools_pandas.ipynb)\n",
     "\n",
-    "## Math\n",
-    "* [Linear Algebra](math_linear_algebra.ipynb)"
+    "## Math tutorials\n",
+    "* [Linear Algebra](math_linear_algebra.ipynb)\n",
+    "* Calculus (coming soon)"
    ]
   }
  ],