diff --git a/bin/main/net/hareworks/hcu/landsector/listener/SectorListener.kt b/bin/main/net/hareworks/hcu/landsector/listener/SectorListener.kt
index dbd4977..859ee70 100644
--- a/bin/main/net/hareworks/hcu/landsector/listener/SectorListener.kt
+++ b/bin/main/net/hareworks/hcu/landsector/listener/SectorListener.kt
@@ -221,53 +221,52 @@ class SectorListener(
              return
         }
         
-        // Open GUI
-        val gui = org.bukkit.Bukkit.createInventory(null, 27, Component.text("Sector Manager (#${sectorId})", NamedTextColor.BLACK))
+        // Create Written Book for UI
+        val book = org.bukkit.inventory.ItemStack(Material.WRITTEN_BOOK)
+        val meta = book.itemMeta as org.bukkit.inventory.meta.BookMeta
 
-        // Info Item with Ranges
+        meta.title(Component.text("Sector Manager"))
+        meta.author(Component.text("System"))
+
+        // Build Page Content
+        val content = Component.text()
+            .append(Component.text("Sector Core @ ${sector.x},${sector.y},${sector.z}\n\n", NamedTextColor.BLACK))
+
+        // Actions Row 1
+        content.append(
+            Component.text("[Activate]", NamedTextColor.DARK_GREEN)
+                .clickEvent(ClickEvent.runCommand("/landsector activate $sectorId"))
+                .hoverEvent(net.kyori.adventure.text.event.HoverEvent.showText(Component.text("Click to activate sector")))
+        )
+        content.append(Component.text("   "))
+        content.append(
+            Component.text("[Destroy]\n", NamedTextColor.RED)
+                .clickEvent(ClickEvent.runCommand("/landsector cancel $sectorId"))
+                .hoverEvent(net.kyori.adventure.text.event.HoverEvent.showText(Component.text("Click to destroy sector")))
+        )
+
+        // Actions Row 2
+        content.append(
+            Component.text("[Get Tool]\n\n", NamedTextColor.DARK_AQUA)
+                .clickEvent(ClickEvent.runCommand("/landsector givetool $sectorId"))
+                .hoverEvent(net.kyori.adventure.text.event.HoverEvent.showText(Component.text("Click to get selection tool")))
+        )
+
+        // Ranges List
         val ranges = sectorService.getRanges(sectorId)
-        val rangeLore = ranges.map { Component.text(" - [${it.id}] ${it.type}", NamedTextColor.GRAY) }
-        val infoLore = mutableListOf<Component>()
-        infoLore.add(Component.text("Sector ID: $sectorId", NamedTextColor.WHITE))
-        infoLore.addAll(rangeLore)
-        
-        gui.setItem(4, createGuiItem(
-            Material.PAPER, 
-            Component.text("Sector Info", NamedTextColor.GOLD),
-            infoLore,
-            sectorId,
-            "info"
-        ))
+        if (ranges.isEmpty()) {
+            content.append(Component.text("Parts: None", NamedTextColor.GRAY))
+        } else {
+            content.append(Component.text("Parts:", NamedTextColor.BLACK))
+            ranges.forEach { range ->
+                content.append(Component.text("\n- [${range.id}] ${range.type}", NamedTextColor.DARK_GRAY))
+            }
+        }
 
-        // Get Selection Tool
-        gui.setItem(11, createGuiItem(
-            Material.FLINT,
-            Component.text("Get Selection Tool", NamedTextColor.AQUA),
-            listOf(Component.text("Click to receive the selection tool.", NamedTextColor.GRAY)),
-            sectorId,
-            "give_tool"
-        ))
+        meta.addPages(content.build())
+        book.itemMeta = meta
 
-        // Activate
-        gui.setItem(13, createGuiItem(
-            Material.LIME_CONCRETE,
-            Component.text("Activate Sector", NamedTextColor.GREEN),
-            listOf(Component.text("Click to activate this sector.", NamedTextColor.GRAY)),
-            sectorId,
-            "activate"
-        ))
-        
-        // Cancel / Destroy
-        gui.setItem(15, createGuiItem(
-            Material.RED_CONCRETE,
-            Component.text("Cancel / Destroy", NamedTextColor.RED),
-            listOf(Component.text("Click to destroy this sector.", NamedTextColor.GRAY)),
-            sectorId,
-            "cancel"
-        ))
-
-        player.openInventory(gui)
-        
+        player.openBook(book)
         event.isCancelled = true
     }
 
@@ -420,47 +419,4 @@ class SectorListener(
             }
         }
     }
-
-    @EventHandler
-    fun onInventoryClick(event: org.bukkit.event.inventory.InventoryClickEvent) {
-        val item = event.currentItem ?: return
-        val meta = item.itemMeta ?: return
-        val pluginKey = NamespacedKey(plugin, "gui_action")
-        
-        if (!meta.persistentDataContainer.has(pluginKey, PersistentDataType.STRING)) return
-        
-        event.isCancelled = true // Prevent taking items
-        
-        val player = event.whoClicked as? Player ?: return
-        val action = meta.persistentDataContainer.get(pluginKey, PersistentDataType.STRING)
-        val sectorKey = NamespacedKey(plugin, "sector_id")
-        val sectorId = meta.persistentDataContainer.get(sectorKey, PersistentDataType.INTEGER) ?: return
-
-        player.closeInventory()
-
-        when (action) {
-            "give_tool" -> player.performCommand("landsector givetool $sectorId")
-            "activate" -> player.performCommand("landsector activate $sectorId")
-            "cancel" -> player.performCommand("landsector cancel $sectorId")
-            "info" -> {
-                player.playSound(player.location, Sound.UI_BUTTON_CLICK, 1f, 1f)
-            }
-        }
-    }
-
-    private fun createGuiItem(material: Material, name: Component, lore: List<Component>, sectorId: Int, action: String): org.bukkit.inventory.ItemStack {
-        val item = org.bukkit.inventory.ItemStack(material)
-        val meta = item.itemMeta
-        meta.displayName(name)
-        meta.lore(lore)
-        
-        val actionKey = NamespacedKey(plugin, "gui_action")
-        val sectorKey = NamespacedKey(plugin, "sector_id")
-        
-        meta.persistentDataContainer.set(actionKey, PersistentDataType.STRING, action)
-        meta.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sectorId)
-        
-        item.itemMeta = meta
-        return item
-    }
 }
diff --git a/src/main/kotlin/net/hareworks/hcu/landsector/listener/SectorListener.kt b/src/main/kotlin/net/hareworks/hcu/landsector/listener/SectorListener.kt
index dbd4977..859ee70 100644
--- a/src/main/kotlin/net/hareworks/hcu/landsector/listener/SectorListener.kt
+++ b/src/main/kotlin/net/hareworks/hcu/landsector/listener/SectorListener.kt
@@ -221,53 +221,52 @@ class SectorListener(
              return
         }
         
-        // Open GUI
-        val gui = org.bukkit.Bukkit.createInventory(null, 27, Component.text("Sector Manager (#${sectorId})", NamedTextColor.BLACK))
+        // Create Written Book for UI
+        val book = org.bukkit.inventory.ItemStack(Material.WRITTEN_BOOK)
+        val meta = book.itemMeta as org.bukkit.inventory.meta.BookMeta
 
-        // Info Item with Ranges
+        meta.title(Component.text("Sector Manager"))
+        meta.author(Component.text("System"))
+
+        // Build Page Content
+        val content = Component.text()
+            .append(Component.text("Sector Core @ ${sector.x},${sector.y},${sector.z}\n\n", NamedTextColor.BLACK))
+
+        // Actions Row 1
+        content.append(
+            Component.text("[Activate]", NamedTextColor.DARK_GREEN)
+                .clickEvent(ClickEvent.runCommand("/landsector activate $sectorId"))
+                .hoverEvent(net.kyori.adventure.text.event.HoverEvent.showText(Component.text("Click to activate sector")))
+        )
+        content.append(Component.text("   "))
+        content.append(
+            Component.text("[Destroy]\n", NamedTextColor.RED)
+                .clickEvent(ClickEvent.runCommand("/landsector cancel $sectorId"))
+                .hoverEvent(net.kyori.adventure.text.event.HoverEvent.showText(Component.text("Click to destroy sector")))
+        )
+
+        // Actions Row 2
+        content.append(
+            Component.text("[Get Tool]\n\n", NamedTextColor.DARK_AQUA)
+                .clickEvent(ClickEvent.runCommand("/landsector givetool $sectorId"))
+                .hoverEvent(net.kyori.adventure.text.event.HoverEvent.showText(Component.text("Click to get selection tool")))
+        )
+
+        // Ranges List
         val ranges = sectorService.getRanges(sectorId)
-        val rangeLore = ranges.map { Component.text(" - [${it.id}] ${it.type}", NamedTextColor.GRAY) }
-        val infoLore = mutableListOf<Component>()
-        infoLore.add(Component.text("Sector ID: $sectorId", NamedTextColor.WHITE))
-        infoLore.addAll(rangeLore)
-        
-        gui.setItem(4, createGuiItem(
-            Material.PAPER, 
-            Component.text("Sector Info", NamedTextColor.GOLD),
-            infoLore,
-            sectorId,
-            "info"
-        ))
+        if (ranges.isEmpty()) {
+            content.append(Component.text("Parts: None", NamedTextColor.GRAY))
+        } else {
+            content.append(Component.text("Parts:", NamedTextColor.BLACK))
+            ranges.forEach { range ->
+                content.append(Component.text("\n- [${range.id}] ${range.type}", NamedTextColor.DARK_GRAY))
+            }
+        }
 
-        // Get Selection Tool
-        gui.setItem(11, createGuiItem(
-            Material.FLINT,
-            Component.text("Get Selection Tool", NamedTextColor.AQUA),
-            listOf(Component.text("Click to receive the selection tool.", NamedTextColor.GRAY)),
-            sectorId,
-            "give_tool"
-        ))
+        meta.addPages(content.build())
+        book.itemMeta = meta
 
-        // Activate
-        gui.setItem(13, createGuiItem(
-            Material.LIME_CONCRETE,
-            Component.text("Activate Sector", NamedTextColor.GREEN),
-            listOf(Component.text("Click to activate this sector.", NamedTextColor.GRAY)),
-            sectorId,
-            "activate"
-        ))
-        
-        // Cancel / Destroy
-        gui.setItem(15, createGuiItem(
-            Material.RED_CONCRETE,
-            Component.text("Cancel / Destroy", NamedTextColor.RED),
-            listOf(Component.text("Click to destroy this sector.", NamedTextColor.GRAY)),
-            sectorId,
-            "cancel"
-        ))
-
-        player.openInventory(gui)
-        
+        player.openBook(book)
         event.isCancelled = true
     }
 
@@ -420,47 +419,4 @@ class SectorListener(
             }
         }
     }
-
-    @EventHandler
-    fun onInventoryClick(event: org.bukkit.event.inventory.InventoryClickEvent) {
-        val item = event.currentItem ?: return
-        val meta = item.itemMeta ?: return
-        val pluginKey = NamespacedKey(plugin, "gui_action")
-        
-        if (!meta.persistentDataContainer.has(pluginKey, PersistentDataType.STRING)) return
-        
-        event.isCancelled = true // Prevent taking items
-        
-        val player = event.whoClicked as? Player ?: return
-        val action = meta.persistentDataContainer.get(pluginKey, PersistentDataType.STRING)
-        val sectorKey = NamespacedKey(plugin, "sector_id")
-        val sectorId = meta.persistentDataContainer.get(sectorKey, PersistentDataType.INTEGER) ?: return
-
-        player.closeInventory()
-
-        when (action) {
-            "give_tool" -> player.performCommand("landsector givetool $sectorId")
-            "activate" -> player.performCommand("landsector activate $sectorId")
-            "cancel" -> player.performCommand("landsector cancel $sectorId")
-            "info" -> {
-                player.playSound(player.location, Sound.UI_BUTTON_CLICK, 1f, 1f)
-            }
-        }
-    }
-
-    private fun createGuiItem(material: Material, name: Component, lore: List<Component>, sectorId: Int, action: String): org.bukkit.inventory.ItemStack {
-        val item = org.bukkit.inventory.ItemStack(material)
-        val meta = item.itemMeta
-        meta.displayName(name)
-        meta.lore(lore)
-        
-        val actionKey = NamespacedKey(plugin, "gui_action")
-        val sectorKey = NamespacedKey(plugin, "sector_id")
-        
-        meta.persistentDataContainer.set(actionKey, PersistentDataType.STRING, action)
-        meta.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sectorId)
-        
-        item.itemMeta = meta
-        return item
-    }
 }