diff --git a/Assets/CanvasController.cs b/Assets/CanvasController.cs
new file mode 100644
index 0000000..eff77e2
--- /dev/null
+++ b/Assets/CanvasController.cs
@@ -0,0 +1,17 @@
+using UnityEngine;
+using System.Collections;
+using UnityEngine.UI;
+
+
+public class CanvasController : MonoBehaviour {
+	public BookShelf shelf;
+
+	void Next(){
+		shelf.NextPage ();
+	}
+	void Exit(){
+		Text txt = this.GetComponentInChildren<Text> ();
+		txt.text= "";
+		this.GetComponent<Canvas> ().enabled = false;
+	}
+}
diff --git a/Assets/CanvasController.cs.meta b/Assets/CanvasController.cs.meta
new file mode 100644
index 0000000..d4e601b
--- /dev/null
+++ b/Assets/CanvasController.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 51b4eaf7fd78b5c4ebf536423973f19e
+timeCreated: 1454864041
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/CanvasDisable.cs b/Assets/CanvasDisable.cs
index 17e93e2..9f9f1bc 100644
--- a/Assets/CanvasDisable.cs
+++ b/Assets/CanvasDisable.cs
@@ -1,6 +1,7 @@
 using UnityEngine;
 using System.Collections;
 
+
 public class CanvasDisable : MonoBehaviour {
 
 	// Use this for initialization
diff --git a/Assets/Scripts/BookShelf.cs b/Assets/Scripts/BookShelf.cs
index be12938..5817475 100644
--- a/Assets/Scripts/BookShelf.cs
+++ b/Assets/Scripts/BookShelf.cs
@@ -5,20 +5,29 @@
 public class BookShelf : TextDownload {
 	private GameObject canvas;
 	private Canvas canvasComponent;
+	private CanvasController canvasController;
+	private BookPosition book;
 	void Start () {
 		canvas = GameObject.Find ("Canvas");
 		canvasComponent = canvas.GetComponent<Canvas> ();
-	}
-	
-	void Interaction(){
-		Debug.Log ("Interaction");
-		canvasComponent.enabled = true;
-		BookPosition book;
+		canvasController = canvas.GetComponent<CanvasController> ();
+
 		book.room = "1";
 		book.wall = 1;
 		book.shelf = 1;
 		book.volume = 1;
 		book.page = 1;
+	}
+	
+	void Interaction(){
+		Debug.Log ("Interaction");
+		canvasComponent.enabled = true;
+		canvasController.shelf = this;
+		GetPage(book);
+	}
+	public void NextPage(){
+		book.page++;
+		Debug.Log (book.page);
 		GetPage(book);
 	}
 
diff --git a/Assets/Scripts/TextDownload.cs b/Assets/Scripts/TextDownload.cs
index 3340ce4..7e08968 100644
--- a/Assets/Scripts/TextDownload.cs
+++ b/Assets/Scripts/TextDownload.cs
@@ -57,7 +57,11 @@ private static string ParseTitle(string html){
 		return title;
 	}
 	private static string generateUrl(BookPosition book){
-		string fullUrl = url + "?" + book.room + "-w" + book.wall + "-s" + book.shelf + "-v" + book.volume + ":" + book.page;
+		string volume = book.volume.ToString ();
+		if (book.volume < 10)
+			volume = "0" + volume;
+		string fullUrl = url + "?" + book.room + "-w" + book.wall + "-s" + book.shelf + "-v" + volume + ":" + book.page;
+		Debug.Log (fullUrl);
 		return fullUrl;
 	}
 
diff --git a/Assets/_Scene/TestInteraction.unity b/Assets/_Scene/TestInteraction.unity
index eb504cb..8d24883 100644
Binary files a/Assets/_Scene/TestInteraction.unity and b/Assets/_Scene/TestInteraction.unity differ
diff --git a/ProjectSettings/ProjectSettings.asset b/ProjectSettings/ProjectSettings.asset
index 197bbf0..e66d29a 100644
Binary files a/ProjectSettings/ProjectSettings.asset and b/ProjectSettings/ProjectSettings.asset differ
diff --git a/ProjectSettings/ProjectVersion.txt b/ProjectSettings/ProjectVersion.txt
index 2a285eb..78b2941 100644
--- a/ProjectSettings/ProjectVersion.txt
+++ b/ProjectSettings/ProjectVersion.txt
@@ -1,2 +1,2 @@
-m_EditorVersion: 5.1.0f3
+m_EditorVersion: 5.1.1f1
 m_StandardAssetsVersion: 0