diff --git a/repository/Grafoscopio/GrafoscopioBrowser.class.st b/repository/Grafoscopio/GrafoscopioBrowser.class.st
index f77ccf7..5aa3033 100644
--- a/repository/Grafoscopio/GrafoscopioBrowser.class.st
+++ b/repository/Grafoscopio/GrafoscopioBrowser.class.st
@@ -560,7 +560,7 @@ GrafoscopioBrowser >> treeOn: constructor [
       "Adding nodes"
       act: [:treePresentation | 
 			   (treePresentation selection) isNotNil
-					ifTrue: [treePresentation selection addNodeAfter].
+					ifTrue: [treePresentation selection addNodeAfterMe].
 				 treePresentation update]
       icon: GLMUIThemeExtraIcons glamorousZoomIn  				
 	   entitled: 'Adicionar nodo';
diff --git a/repository/Grafoscopio/GrafoscopioGUI.class.st b/repository/Grafoscopio/GrafoscopioGUI.class.st
index b6a4fab..34453f2 100644
--- a/repository/Grafoscopio/GrafoscopioGUI.class.st
+++ b/repository/Grafoscopio/GrafoscopioGUI.class.st
@@ -613,7 +613,7 @@ GrafoscopioGUI class >> updateGrafoscopio [
 	Gofer new 
 		smalltalkhubUser: 'Offray' project: 'Grafoscopio';
    		package: 'Grafoscopio';
-    	load.
+    	loadVersion: #development.
 		self updateUI.
 ]
 
diff --git a/repository/Grafoscopio/GrafoscopioNode.class.st b/repository/Grafoscopio/GrafoscopioNode.class.st
index 908fa87..42830a7 100644
--- a/repository/Grafoscopio/GrafoscopioNode.class.st
+++ b/repository/Grafoscopio/GrafoscopioNode.class.st
@@ -82,11 +82,11 @@ GrafoscopioNode >> addNode: aNode [
 ]
 
 { #category : #'add/remove nodes' }
-GrafoscopioNode >> addNodeAfter [
+GrafoscopioNode >> addNodeAfterMe [
 	"Adds a generic node after the given node so they become slibings of the same parent"
 	| genericNode |
 	genericNode := GrafoscopioNode
-		header: 'nuevoNodo' body: ''.
+		header: 'newNode' body: ''.
 	self parent children add: genericNode after: self.
 	genericNode parent: self parent.
 	genericNode level: self level. 
@@ -578,9 +578,6 @@ GrafoscopioNode >> removeLastNode [
 
 { #category : #'add/remove nodes' }
 GrafoscopioNode >> removeNode: aNode [
-	"Adds the given node to the receivers collection of children, and sets this object as the parent
-	 of the node"
-	
 	self children remove: aNode.
 	
 ]
diff --git a/repository/Grafoscopio/GrafoscopioNotebook.class.st b/repository/Grafoscopio/GrafoscopioNotebook.class.st
index ffca276..b4b1482 100644
--- a/repository/Grafoscopio/GrafoscopioNotebook.class.st
+++ b/repository/Grafoscopio/GrafoscopioNotebook.class.st
@@ -48,7 +48,10 @@ GrafoscopioNotebook class >> defaultSpec [
 
 { #category : #operation }
 GrafoscopioNotebook >> addNode [
-	
+	tree needRebuild: true.
+	tree selectedItem content addNodeAfterMe.
+	tree roots: tree roots.
+	self buildWithSpecLayout: self class defaultSpec.
 
 	
 ]
@@ -73,7 +76,7 @@ GrafoscopioNotebook >> changeBody: aNodeCollection [
 	body := self instantiate: node specModelClass new.
 	body content: node content.
 	body needRebuild: true.
-
+	body body whenTextChanged: [ :arg | node body: arg ].
 	header text: node header.
 			
 	self buildWithSpecLayout: self class defaultSpec.
@@ -112,15 +115,15 @@ GrafoscopioNotebook >> header: anObject [
 GrafoscopioNotebook >> initializePresenter [
 
 	tree whenSelectedItemsChanged: [ :arg | 
-		arg isEmpty ifFalse: [self changeBody: arg ]].
-	
+		arg isEmpty ifFalse: [self changeBody: arg ]].	
 	header whenTextChanged: [ :arg |
+		Transcript show: arg.
 		(tree selectedItem content header) = arg
 			ifFalse: [
-				(tree selectedItem) content header: header text.
+				(tree selectedItem) content header: arg.
 				tree roots: tree roots]].
-	body whenTextChanged: [ :arg | 
-			(tree selectedItem) content body: body text
+	body whenTextChanged: [:arg | 
+		Transcript show: arg
 		]
 ]
 
@@ -129,15 +132,27 @@ GrafoscopioNotebook >> initializeWidgets [
 
 	windowMainMenu := self newWindowMainMenu.
 	tree := TreeModel new.
-	body := self newText.
-	
 	header := self newTextInput.
+	body := self newText.
 	
 	body disable.
 	body text: '<-- Select a node in the left panel'.
 	
-	tree childrenBlock: [:node | node children];
+	tree 
+		childrenBlock: [:node | node children];
 		displayBlock: [:node | node title ].
+	self focusOrder 
+		add: tree;
+		add: header;
+		add: body.
+]
+
+{ #category : #operation }
+GrafoscopioNotebook >> moveNodeBefore [
+	tree selectedItem content moveAfter.
+	tree needRebuild: true.
+	tree roots: tree roots.
+	self buildWithSpecLayout: self class defaultSpec.
 ]
 
 { #category : #initialization }
@@ -404,6 +419,18 @@ GrafoscopioNotebook >> projectSubMenu [
 	
 ]
 
+{ #category : #operation }
+GrafoscopioNotebook >> removeNode [
+	| currentNode |
+	currentNode := tree selectedItem content.
+	currentNode parent removeNode: currentNode.
+	tree needRebuild: true.
+	tree roots: tree roots.
+	self buildWithSpecLayout: self class defaultSpec.
+
+	
+]
+
 { #category : #persistence }
 GrafoscopioNotebook >> saveToFile: aFileReference [
 	"I save the current tree/document to a file"