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@@ -54,14 +54,29 @@ <h3><p class="center-text">Click the links below to access the resources</p></h3
         </tr>
         <tr>
             <td>What is ROS and Why do we need it</td>
-            <td><a href="https://www.canva.com/design/DAFx34dnih4/s4Bu34AXuEZgy7TN2_GLLA/edit?utm_content=DAFx34dnih4&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton">Slides</a></td>
+            <td><a href="https://www.canva.com/design/DAFx34dnih4/s4Bu34AXuEZgy7TN2_GLLA/edit?utm_content=DAFx34dnih4&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton">Reading Material</a></td>
             <td><a href="https://drive.google.com/file/d/1tQuRTo9tHCcE7uf95YDHIFe9Ejz8kPMQ/view?usp=sharing">Video</a></td>
         </tr>
         <tr>
             <td>Nodes and Master Nodes</td>
-            <td><a href="https://www.canva.com/design/DAFyDgM8CkY/kekS2QSjLtMiGGU3vsyJRA/edit?utm_content=DAFyDgM8CkY&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton">Slides</a></td>
+            <td><a href="https://www.canva.com/design/DAFyDgM8CkY/kekS2QSjLtMiGGU3vsyJRA/edit?utm_content=DAFyDgM8CkY&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton">Reading Material</a></td>
             <td><a href="https://drive.google.com/file/d/1oSpNEZOZZNGZJzFuG7Kj1MK074ojBXX9/view?usp=sharing">Video</a></td>
         </tr>
+        <tr>
+            <td>Rostopics</td>
+            <td><a href="http://wiki.ros.org/rostopic">Reading Material</a></td>
+            <td><a href="https://www.youtube.com/watch?v=GAJ3c5XmJSA">Video</a></td>
+        </tr>
+        <tr>
+            <td>Publisher and Subscriber</td>
+            <td><a href="https://www.geeksforgeeks.org/ros-publishers-using-python/">Publisher</a>,<a href="https://www.geeksforgeeks.org/ros-subscribers-using-python/">Subscriber</a></td>
+            <td><a href="https://www.youtube.com/watch?v=2Cmdu6mkxD0&list=PLJNGprAk4DF5PY0kB866fEZfz6zMLJTF8&index=3">Video</a></td>
+        </tr>
+        <tr>
+            <td>Python lab for publisher and Subscriber</td>
+            <td><a href="https://medium.com/swlh/part-3-create-your-first-ros-publisher-and-subscriber-nodes-2e833dea7598">Reading Material</a></td>
+            <td><a href="https://www.youtube.com/watch?v=otGWUZqB9XE&t=292s">Video</a></td>
+        </tr>
     </table>
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