diff --git a/03e4-viewstack/ViewStackDemo.mxml b/03e4-viewstack/ViewStackDemo.mxml
new file mode 100644
index 0000000..f01a816
--- /dev/null
+++ b/03e4-viewstack/ViewStackDemo.mxml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
+    backgroundColor="#FFFFFF"
+    backgroundAlpha="0"
+    horizontalAlign="left"
+    verticalGap="15" horizontalGap="15">
+
+    <mx:Panel>
+
+        <mx:ViewStack id="vs"
+            x="30" y="32"
+            width="452" height="339"
+            selectedIndex="0">
+
+            <mx:Canvas backgroundColor="#FFFFCC">
+                <mx:Text text="This is Area 1"
+                    fontWeight="bold"
+                    paddingTop="10" paddingLeft="10" />
+            </mx:Canvas>
+
+            <mx:Canvas backgroundColor="#D7D7D7">
+                <mx:Text text="This is Area 2"
+                    fontWeight="bold"
+                    paddingTop="10" paddingLeft="10" />
+            </mx:Canvas>
+
+            <mx:Canvas backgroundColor="#CCCCFF">
+                <mx:Text text="This is Area 3" fontWeight="bold" paddingTop="10" paddingLeft="10" />
+            </mx:Canvas>
+
+        </mx:ViewStack>
+
+    </mx:Panel>
+
+    <mx:HBox>
+        <mx:Button label="Area 1"
+            click="vs.selectedIndex=0" />
+        <mx:Button label="Area 2"
+            click="vs.selectedIndex=1" />
+        <mx:Button label="Area 3"
+            click="vs.selectedIndex=2" />
+    </mx:HBox>
+
+</mx:Application>
diff --git a/targets.mk b/targets.mk
index 7fde948..f832b49 100644
--- a/targets.mk
+++ b/targets.mk
@@ -147,6 +147,10 @@
 	$(MXMLC) 03e3-tabnavigator/Shopping.mxml -warnings -l+=03e3-tabnavigator -output 03e3-tabnavigator/Shopping.swf
 
 
+03e4-viewstack/ViewStackDemo.swf: 03e4-viewstack/ViewStackDemo.mxml
+	$(MXMLC) 03e4-viewstack/ViewStackDemo.mxml -warnings -l+=03e4-viewstack -output 03e4-viewstack/ViewStackDemo.swf
+
+
 custom-03d1-datagrid/Snarf.swf: custom-03d1-datagrid/Snarf.mxml custom-03d1-datagrid/CustomApp.as
 	$(MXMLC) custom-03d1-datagrid/Snarf.mxml -warnings -l+=custom-03d1-datagrid -output custom-03d1-datagrid/Snarf.swf