@SubscribeEvent //Turn Regular Bookcase into my partially empty one
	public void onPlayerClickEvent(RightClickBlock event)
	{
		EnumHand hand = event.getHand();
		ItemStack stacktoAdd = new ItemStack(Items.BOOK);
		ItemStack stack = event.getEntityPlayer().getHeldItem(hand);
		final IBlockState set2 = IntegratedBlocks.bookcases.getDefaultState().withProperty(BlockBookcaseMulti.TYPE, EnumBookshelf.two3);  // 2/3 full

		if (!event.getWorld().isRemote)
		{
			if (event.getEntity() instanceof EntityPlayer)
			{
				//If Hand is empty               //If Block is a bookshelf
				if (stack == null && event.getWorld().getBlockState(event.getPos()).getBlock() == Blocks.BOOKSHELF)
				{
						//Set block to 2/3 full bookcase
						event.getWorld().setBlockState(event.getPos(), set2);
						//Add Book to inventory
						event.getEntityPlayer().inventory.addItemStackToInventory(stacktoAdd);
						System.out.println("Hey i changed back");//Notify Console
				}
				if (stack != null && event.getWorld().getBlockState(event.getPos()).getBlock() == Blocks.BOOKSHELF)
				{
					//Cancel event if you have an item in your hand
					event.isCanceled();
				}
			}
		}
	}