diff --git a/book.py b/book.py
index 6a2bfb3..9e03972 100644
--- a/book.py
+++ b/book.py
@@ -136,41 +136,48 @@ class Book(SymbolMixin, metaclass=PoolMeta):
         string='Dividend', help='Total dividends received',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'get_yield_data')
+        depends=['currency_digits', 'feature']),
+        'get_yield_data', searcher='search_asset_quantity')
     yield_dividend_12m = fields.Function(fields.Numeric(
         string='Dividend 1y',
         help='Dividends received in the last twelve months',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'get_yield_data')
+        depends=['currency_digits', 'feature']),
+        'get_yield_data', searcher='search_asset_quantity')
     yield_fee_total = fields.Function(fields.Numeric(
         string='Trade Fee', help='Total trade fees payed',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'get_yield_data')
+        depends=['currency_digits', 'feature']),
+        'get_yield_data', searcher='search_asset_quantity')
     yield_fee_12m = fields.Function(fields.Numeric(
         string='Trade Fee 1y',
         help='Trade fees payed in the last twelve month',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'get_yield_data')
+        depends=['currency_digits', 'feature']),
+        'get_yield_data', searcher='search_asset_quantity')
     yield_sales = fields.Function(fields.Numeric(
         string='Sales', help='Total profit or loss on sale of shares.',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'get_yield_data')
+        depends=['currency_digits', 'feature']),
+        'get_yield_data', searcher='search_asset_quantity')
     yield_sales_12m = fields.Function(fields.Numeric(
         string='Sales 1y',
         help='Total profit or loss on sale of shares in the last twelve month.',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'get_yield_data')
+        depends=['currency_digits', 'feature']),
+        'get_yield_data', searcher='search_asset_quantity')
     yield_balance = fields.Function(fields.Numeric(
         string='Total Yield',
         help='Total income: price gain + dividends + sales gains - fees',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         states={'invisible': Eval('feature', '') != 'asset'},
-        depends=['currency_digits', 'feature']), 'on_change_with_yield_balance')
+        depends=['currency_digits', 'feature']),
+        'on_change_with_yield_balance', searcher='search_asset_quantity')
 
     @classmethod
     def __setup__(cls):
@@ -208,6 +215,109 @@ class Book(SymbolMixin, metaclass=PoolMeta):
                 }
         return recname
 
+    @classmethod
+    def work_order_assets(cls, tables, field_name):
+        """ get order-query
+        """
+        Book2 = Pool().get('cashbook.book')
+
+        if 'date' in Transaction().context:
+            raise UserError(gettext(
+                'cashbook.msg_nosearch_with_date',
+                fname=field_name, model=Book2.__name__))
+        return Book2.work_order_balance(tables, field_name)
+
+    @staticmethod
+    def order_current_value(tables):
+        """ order by current_value
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'current_value')
+
+    @staticmethod
+    def order_purchase_amount(tables):
+        """ order by purchase_amount
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'purchase_amount')
+
+    @staticmethod
+    def order_diff_amount(tables):
+        """ order by diff_amount
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'diff_amount')
+
+    @staticmethod
+    def order_yield_balance(tables):
+        """ order by yield_balance
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_balance')
+
+    @staticmethod
+    def order_diff_percent(tables):
+        """ order by diff_percent
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'diff_percent')
+
+    @staticmethod
+    def order_quantity(tables):
+        """ order by quantity
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'quantity')
+
+    @staticmethod
+    def order_quantity_all(tables):
+        """ order by quantity_all
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'quantity_all')
+
+    @staticmethod
+    def order_yield_sales(tables):
+        """ order by yield_sales
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_sales')
+
+    @staticmethod
+    def order_yield_sales_12m(tables):
+        """ order by yield_sales_12m
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_sales_12m')
+
+    @staticmethod
+    def order_yield_dividend_total(tables):
+        """ order by yield_dividend_total
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_dividend_total')
+
+    @staticmethod
+    def order_yield_dividend_12m(tables):
+        """ order by yield_dividend_12m
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_dividend_12m')
+
+    @staticmethod
+    def order_yield_fee_total(tables):
+        """ order by yield_fee_total
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_fee_total')
+
+    @staticmethod
+    def order_yield_fee_12m(tables):
+        """ order by yield_fee_12m
+        """
+        Book2 = Pool().get('cashbook.book')
+        return Book2.work_order_assets(tables, 'yield_fee_12m')
+
     @fields.depends('asset', 'quantity_uom')
     def on_change_asset(self):
         """ get uom from asset
diff --git a/tests/book.py b/tests/book.py
index 0878bb3..3c89723 100644
--- a/tests/book.py
+++ b/tests/book.py
@@ -48,6 +48,25 @@ class CbInvTestCase(object):
             self.assertEqual(book.quantity_digits, 4)
             self.assertEqual(book.show_performance, True)
 
+            # run sorter
+            books = Book.search(
+                [],
+                order=[
+                    ('current_value', 'ASC'),
+                    ('purchase_amount', 'ASC'),
+                    ('diff_amount', 'ASC'),
+                    ('yield_balance', 'ASC'),
+                    ('diff_percent', 'ASC'),
+                    ('quantity', 'ASC'),
+                    ('quantity_all', 'ASC'),
+                    ('yield_sales', 'ASC'),
+                    ('yield_sales_12m', 'ASC'),
+                    ('yield_dividend_total', 'ASC'),
+                    ('yield_dividend_12m', 'ASC'),
+                    ('yield_fee_total', 'ASC'),
+                    ('yield_fee_12m', 'ASC'),
+                    ])
+
     @with_transaction()
     def test_assetbook_aggregated_values(self):
         """ create cashbooks with hierarchy, add lines,