diff --git a/NBToolkit/NBToolkit/Map/BlockInfo.cs b/NBToolkit/NBToolkit/Map/BlockInfo.cs
index db557d3..18abbb7 100644
--- a/NBToolkit/NBToolkit/Map/BlockInfo.cs
+++ b/NBToolkit/NBToolkit/Map/BlockInfo.cs
@@ -367,8 +367,8 @@ namespace NBToolkit.Map
             Wool = new BlockInfo(35, "Wool");
             YellowFlower = new BlockInfo(37, "Yellow Flower").SetOpacity(0);
             RedRose = new BlockInfo(38, "Red Rose").SetOpacity(0);
-            BrownMushroom = new BlockInfo(39, "Brown Mushroom").SetOpacity(0);
-            RedMushroom = new BlockInfo(40, "Red Mushroom").SetOpacity(0);
+            BrownMushroom = new BlockInfo(39, "Brown Mushroom").SetOpacity(0).SetLuminance(1);
+            RedMushroom = new BlockInfo(40, "Red Mushroom").SetOpacity(0).SetLuminance(1);
             GoldBlock = new BlockInfo(41, "Gold Block");
             IronBlock = new BlockInfo(42, "Iron Block");
             DoubleSlab = new BlockInfo(43, "Double Slab");
diff --git a/NBToolkit/NBToolkit/Map/Entity.cs b/NBToolkit/NBToolkit/Map/Entity.cs
new file mode 100644
index 0000000..6e2cd02
--- /dev/null
+++ b/NBToolkit/NBToolkit/Map/Entity.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace NBToolkit.Map
+{
+    using NBT;
+    using Utility;
+
+    public class Entity
+    {
+        private NBT_Compound _tree;
+
+        public NBT_Compound Root
+        {
+            get { return _tree; }
+        }
+
+        public static readonly NBTCompoundNode BaseSchema = new NBTCompoundNode("")
+        {
+            new NBTScalerNode("id", NBT_Type.TAG_STRING),
+            new NBTListNode("Pos", NBT_Type.TAG_DOUBLE, 3),
+            new NBTListNode("Motion", NBT_Type.TAG_DOUBLE, 3),
+            new NBTListNode("Rotation", NBT_Type.TAG_FLOAT, 2),
+            new NBTScalerNode("FallDistance", NBT_Type.TAG_FLOAT),
+            new NBTScalerNode("Fire", NBT_Type.TAG_SHORT),
+            new NBTScalerNode("Air", NBT_Type.TAG_SHORT),
+            new NBTScalerNode("OnGround", NBT_Type.TAG_BYTE),
+        };
+
+        public static readonly NBTCompoundNode MobSchema = BaseSchema.MergeInto(new NBTCompoundNode("")
+        {
+            new NBTStringNode("id", "Mob"),
+            new NBTScalerNode("AttackTime", NBT_Type.TAG_SHORT),
+            new NBTScalerNode("DeathTime", NBT_Type.TAG_SHORT),
+            new NBTScalerNode("Health", NBT_Type.TAG_SHORT),
+            new NBTScalerNode("HurtTime", NBT_Type.TAG_SHORT),
+        });
+
+        public static readonly NBTCompoundNode MonsterSchema = MobSchema.MergeInto(new NBTCompoundNode("")
+        {
+            new NBTStringNode("id", "Monster"),
+        });
+
+        public static readonly NBTCompoundNode PigSchema = MobSchema.MergeInto(new NBTCompoundNode("")
+        {
+            new NBTScalerNode("Saddle", NBT_Type.TAG_BYTE),
+        });
+
+        public static readonly NBTCompoundNode SheepSchema = MobSchema.MergeInto(new NBTCompoundNode("")
+        {
+            new NBTScalerNode("Sheared", NBT_Type.TAG_BYTE),
+            new NBTScalerNode("Color", NBT_Type.TAG_BYTE),
+        });
+
+        public static readonly NBTCompoundNode Slimechema = MobSchema.MergeInto(new NBTCompoundNode("")
+        {
+            new NBTScalerNode("Size", NBT_Type.TAG_INT),
+        });
+
+        public static readonly NBTCompoundNode WolfSchema = MobSchema.MergeInto(new NBTCompoundNode("")
+        {
+            new NBTScalerNode("Owner", NBT_Type.TAG_STRING),
+            new NBTScalerNode("Sitting", NBT_Type.TAG_BYTE),
+            new NBTScalerNode("Angry", NBT_Type.TAG_BYTE),
+        });
+    }
+
+    public class MobEntity : Entity
+    {
+
+    }
+}
diff --git a/NBToolkit/NBToolkit/Map/Item.cs b/NBToolkit/NBToolkit/Map/Item.cs
new file mode 100644
index 0000000..57ec84d
--- /dev/null
+++ b/NBToolkit/NBToolkit/Map/Item.cs
@@ -0,0 +1,190 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace NBToolkit.Map
+{
+    using NBT;
+
+    public interface IItemContainer
+    {
+        ItemCollection Items { get; }
+    }
+
+    public class Item
+    {
+        protected NBT_Compound _tree;
+
+        public NBT_Compound Root
+        {
+            get { return _tree; }
+        }
+
+        public int ID
+        {
+            get { return _tree["id"].ToNBTShort(); }
+            set { _tree["id"].ToNBTShort().Data = (short)value; }
+        }
+
+        public int Damage
+        {
+            get { return _tree["Damage"].ToNBTShort(); }
+            set { _tree["Count"].ToNBTShort().Data = (short)value; }
+        }
+
+        public int Count
+        {
+            get { return _tree["Count"].ToNBTByte(); }
+            set { _tree["Count"].ToNBTByte().Data = (byte) value; }
+        }
+
+        public Item (NBT_Compound tree)
+        {
+            _tree = tree;
+        }
+    }
+
+    public class ItemCollection
+    {
+        protected NBT_List _list;
+        protected int _capacity;
+
+        public ItemCollection (NBT_List list, int capacity)
+        {
+            _list = list;
+            _capacity = capacity;
+        }
+
+        public int Capacity
+        {
+            get { return _capacity; }
+        }
+
+        public int Count
+        {
+            get { return _list.Count; }
+        }
+
+        public Item this [int slot]
+        {
+            get
+            {
+                foreach (NBT_Compound tag in _list) {
+                    if (tag["Slot"].ToNBTByte() == slot) {
+                        return new Item(tag);
+                    }
+                }
+                return null;
+            }
+
+            set
+            {
+                if (slot < 0 || slot >= _capacity) {
+                    return;
+                }
+                foreach (NBT_Compound tag in _list) {
+                    if (tag["Slot"].ToNBTByte() == slot) {
+                        _list.Remove(tag);
+                        break;
+                    }
+                }
+                _list.Add(value.Root);
+            }
+        }
+
+        public int GetItemID (int slot)
+        {
+            NBT_Compound tag = FindTag(slot);
+            if (tag == null) {
+                return 0;
+            }
+
+            return tag["id"].ToNBTShort();
+        }
+
+        public int GetItemCount (int slot)
+        {
+            NBT_Compound tag = FindTag(slot);
+            if (tag == null) {
+                return 0;
+            }
+
+            return tag["Count"].ToNBTByte();
+        }
+
+        public int GetItemDamage (int slot)
+        {
+            NBT_Compound tag = FindTag(slot);
+            if (tag == null) {
+                return 0;
+            }
+
+            return tag["Damage"].ToNBTShort();
+        }
+
+        public bool SetItemID (int slot, int id)
+        {
+            NBT_Compound tag = FindTag(slot);
+            if (tag == null) {
+                return false;
+            }
+
+            tag["id"].ToNBTShort().Data = (short) id;
+            return true;
+        }
+
+        public bool SetItemCount (int slot, int count)
+        {
+            NBT_Compound tag = FindTag(slot);
+            if (tag == null) {
+                return false;
+            }
+
+            tag["Count"].ToNBTByte().Data = (byte) count;
+            return true;
+        }
+
+        public bool SetItemDamage (int slot, int damage)
+        {
+            NBT_Compound tag = FindTag(slot);
+            if (tag == null) {
+                return false;
+            }
+
+            tag["Damage"].ToNBTShort().Data = (short)damage;
+            return true;
+        }
+
+        public bool ClearItem (int slot)
+        {
+            foreach (NBT_Compound tag in _list) {
+                if (tag["Slot"].ToNBTByte() == slot) {
+                    _list.Remove(tag);
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public bool ItemExists (int slot)
+        {
+            return FindTag(slot) != null;
+        }
+
+        public void ClearAllItems ()
+        {
+            _list.Clear();
+        }
+
+        private NBT_Compound FindTag (int slot)
+        {
+            foreach (NBT_Compound tag in _list) {
+                if (tag["Slot"].ToNBTByte() == slot) {
+                    return tag;
+                }
+            }
+            return null;
+        }
+    }
+}
diff --git a/NBToolkit/NBToolkit/Map/NBT/NBTSchema.cs b/NBToolkit/NBToolkit/Map/NBT/NBTSchema.cs
index ad16c2c..c4de4ee 100644
--- a/NBToolkit/NBToolkit/Map/NBT/NBTSchema.cs
+++ b/NBToolkit/NBToolkit/Map/NBT/NBTSchema.cs
@@ -159,6 +159,13 @@ namespace NBToolkit.Map.NBT
             _type = type;
         }
 
+        public NBTListNode (string name, NBT_Type type, int length)
+            : base(name)
+        {
+            _type = type;
+            _length = length;
+        }
+
         public NBTListNode (string name, NBT_Type type, NBTSchemaNode subschema)
             : base(name)
         {
diff --git a/NBToolkit/NBToolkit/Map/TileEntity.cs b/NBToolkit/NBToolkit/Map/TileEntity.cs
index e2435dd..a8b9230 100644
--- a/NBToolkit/NBToolkit/Map/TileEntity.cs
+++ b/NBToolkit/NBToolkit/Map/TileEntity.cs
@@ -9,7 +9,7 @@ namespace NBToolkit.Map
 
     public class TileEntity : ICopyable<TileEntity>
     {
-        private NBT_Compound _tree;
+        protected NBT_Compound _tree;
 
         public NBT_Compound Root
         {
@@ -58,7 +58,7 @@ namespace NBToolkit.Map
             _tree = schema.BuildDefaultTree() as NBT_Compound;
         }
 
-        public bool Verify ()
+        public virtual bool Verify ()
         {
             NBTVerifier v = new NBTVerifier(Root, BaseSchema);
             return v.Verify();
@@ -77,6 +77,15 @@ namespace NBToolkit.Map
                 _tree["z"].ToNBTInt().Data == z;
         }
 
+        #region ICopyable<TileEntity> Members
+
+        public virtual TileEntity Copy ()
+        {
+            return new TileEntity(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+
         #region Predefined Schemas
 
         public static readonly NBTCompoundNode InventorySchema = new NBTCompoundNode("")
@@ -138,12 +147,258 @@ namespace NBToolkit.Map
         });
 
         #endregion
+    }
+
+    public class TileEntityFurnace : TileEntity, IItemContainer
+    {
+        protected const int _capacity = 3;
+
+        protected ItemCollection _items;
+
+        public int BurnTime
+        {
+            get { return _tree["BurnTime"].ToNBTShort(); }
+            set { _tree["BurnTime"] = new NBT_Short((short)value); }
+        }
+
+        public int CookTime
+        {
+            get { return _tree["CookTime"].ToNBTShort(); }
+            set { _tree["CookTime"] = new NBT_Short((short)value); }
+        }
+
+        public TileEntityFurnace (NBT_Compound tree)
+            : base(tree)
+        {
+            NBT_List items = tree["Items"].ToNBTList();
+
+            if (items.Count == 0) {
+                tree["Items"] = new NBT_List(NBT_Type.TAG_COMPOUND);
+                items = _tree["Items"].ToNBTList();
+            }
+
+            _items = new ItemCollection(items, _capacity);
+        }
+
+        public override bool Verify ()
+        {
+            NBTVerifier v = new NBTVerifier(Root, TileEntity.FurnaceSchema);
+            return v.Verify();
+        }
 
         #region ICopyable<TileEntity> Members
 
-        public TileEntity Copy ()
+        public override TileEntity Copy ()
         {
-            return new TileEntity(_tree.Copy() as NBT_Compound);
+            return new TileEntityFurnace(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+
+        #region IItemContainer Members
+
+        public ItemCollection Items
+        {
+            get { return _items; }
+        }
+
+        #endregion
+    }
+
+    public class TileEntitySign : TileEntity
+    {
+        public string Text1
+        {
+            get { return _tree["Text1"].ToNBTString(); }
+            set { _tree["Text1"] = new NBT_String(value.Substring(0, 12)); }
+        }
+
+        public string Text2
+        {
+            get { return _tree["Text2"].ToNBTString(); }
+            set { _tree["Text2"] = new NBT_String(value.Substring(0, 12)); }
+        }
+
+        public string Text3
+        {
+            get { return _tree["Text3"].ToNBTString(); }
+            set { _tree["Text3"] = new NBT_String(value.Substring(0, 12)); }
+        }
+
+        public string Text4
+        {
+            get { return _tree["Text4"].ToNBTString(); }
+            set { _tree["Text4"] = new NBT_String(value.Substring(0, 12)); }
+        }
+
+        public TileEntitySign (NBT_Compound tree)
+            : base(tree)
+        {
+        }
+
+        public override bool Verify ()
+        {
+            NBTVerifier v = new NBTVerifier(Root, TileEntity.SignSchema);
+            return v.Verify();
+        }
+
+        #region ICopyable<TileEntity> Members
+
+        public override TileEntity Copy ()
+        {
+            return new TileEntitySign(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+    }
+
+    public class TileEntityMobSpawner : TileEntity
+    {
+        public int Delay
+        {
+            get { return _tree["Delay"].ToNBTShort(); }
+            set { _tree["Delay"] = new NBT_Short((short)value); }
+        }
+
+        public string EntityID
+        {
+            get { return _tree["EntityID"].ToNBTString(); }
+            set { _tree["EntityID"] = new NBT_String(value); }
+        }
+
+        public TileEntityMobSpawner (NBT_Compound tree)
+            : base(tree)
+        {
+        }
+
+        public override bool Verify ()
+        {
+            NBTVerifier v = new NBTVerifier(Root, TileEntity.MobSpawnerSchema);
+            return v.Verify();
+        }
+
+        #region ICopyable<TileEntity> Members
+
+        public override TileEntity Copy ()
+        {
+            return new TileEntityMobSpawner(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+    }
+
+    public class TileEntityChest : TileEntity, IItemContainer
+    {
+        protected const int _capacity = 27;
+
+        protected ItemCollection _items;
+
+        public TileEntityChest (NBT_Compound tree)
+            : base(tree)
+        {
+            NBT_List items = tree["Items"].ToNBTList();
+
+            if (items.Count == 0) {
+                tree["Items"] = new NBT_List(NBT_Type.TAG_COMPOUND);
+                items = _tree["Items"].ToNBTList();
+            }
+
+            _items = new ItemCollection(items, _capacity);
+        }
+
+        public override bool Verify ()
+        {
+            NBTVerifier v = new NBTVerifier(Root, TileEntity.ChestSchema);
+            return v.Verify();
+        }
+
+        #region ICopyable<TileEntity> Members
+
+        public override TileEntity Copy ()
+        {
+            return new TileEntityChest(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+
+        #region IItemContainer Members
+
+        public ItemCollection Items
+        {
+            get { return _items; }
+        }
+
+        #endregion
+    }
+
+    public class TileEntityMusic : TileEntity
+    {
+        public int Note
+        {
+            get { return _tree["Note"].ToNBTByte(); }
+            set { _tree["Note"] = new NBT_Byte((byte)value); }
+        }
+
+        public TileEntityMusic (NBT_Compound tree)
+            : base(tree)
+        {
+        }
+
+        public override bool Verify ()
+        {
+            NBTVerifier v = new NBTVerifier(Root, TileEntity.MusicSchema);
+            return v.Verify();
+        }
+
+        #region ICopyable<TileEntity> Members
+
+        public override TileEntity Copy ()
+        {
+            return new TileEntityMusic(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+    }
+
+    public class TileEntityTrap : TileEntity, IItemContainer
+    {
+        protected const int _capacity = 8;
+
+        protected ItemCollection _items;
+
+        public TileEntityTrap (NBT_Compound tree)
+            : base(tree)
+        {
+            NBT_List items = tree["Items"].ToNBTList();
+
+            if (items.Count == 0) {
+                tree["Items"] = new NBT_List(NBT_Type.TAG_COMPOUND);
+                items = _tree["Items"].ToNBTList();
+            }
+
+            _items = new ItemCollection(items, _capacity);
+        }
+
+        public override bool Verify ()
+        {
+            NBTVerifier v = new NBTVerifier(Root, TileEntity.TrapSchema);
+            return v.Verify();
+        }
+
+        #region ICopyable<TileEntity> Members
+
+        public override TileEntity Copy ()
+        {
+            return new TileEntityTrap(_tree.Copy() as NBT_Compound);
+        }
+
+        #endregion
+
+        #region IItemContainer Members
+
+        public ItemCollection Items
+        {
+            get { return _items; }
         }
 
         #endregion