diff --git a/docs/_quarto.yml b/docs/_quarto.yml
index 7b27d4c..0500301 100644
--- a/docs/_quarto.yml
+++ b/docs/_quarto.yml
@@ -141,12 +141,12 @@ book:
       chapters:
         - href: notes/dataviz/overview.qmd
           text: "Data Visualization Overview"
-        - href: notes/dataviz/trendlines.qmd
-          text: "Charts with Trendlines"
+        #- href: notes/dataviz/trendlines.qmd
+        #  text: "Charts with Trendlines"
         #- href: notes/dataviz/multiple-objects.qmd
         #  text: "Charts with Multiple Objects"
-        - href: notes/dataviz/candlesticks.qmd
-          text: "Candlestick Charts"
+        #- href: notes/dataviz/candlesticks.qmd
+        #  text: "Candlestick Charts"
 
     - part: "Fetching Data from the Internet"
       chapters:
@@ -218,6 +218,16 @@ book:
         - notes/python-lang/control-flow/function-docs.qmd
         - notes/python-lang/control-flow/unit-testing.qmd
 
+    - part: "Dataviz In-Depth"
+      chapters:
+        - href: notes/dataviz/trendlines.qmd
+          text: "Charts with Trendlines"
+        #- href: notes/dataviz/multiple-objects.qmd
+        #  text: "Charts with Multiple Objects"
+        - href: notes/dataviz/candlesticks.qmd
+          text: "Candlestick Charts"
+
+
     #- part: "API Demos"
     #  chapters:
     #    - notes/fetching-data/apis/spotify-api-demo.ipynb