diff --git a/esak/prices.py b/esak/prices.py
index 7b3acca..a235a17 100644
--- a/esak/prices.py
+++ b/esak/prices.py
@@ -2,20 +2,14 @@
 
 
 class Prices:
-    def __init__(self, print=None, **kwargs):
-        self.print = print
-        self.unknown = kwargs
+    def __init__(self, **kwargs):
+        for k, v in kwargs.items():
+            setattr(self, k, v)
 
 
 class PriceSchemas(Schema):
-    printPrice = fields.Float(attribute="print")
-
-    # Supposedly digital prices could also be listed, but I
-    # couldn't find any refences so made a guess what I thought
-    # it would be. I'll leave it here in case we need it in the
-    # future.
-
-    # digitalPrice = fields.Float(attribute="digital")
+    printPrice = fields.Decimal(places=2, allow_none=True, attribute="print")
+    digitalPurchasePrice = fields.Decimal(places=2, allow_none=True, attribute="digital")
 
     class Meta:
         unknown = INCLUDE
diff --git a/esak/session.py b/esak/session.py
index c570654..7fc93d3 100644
--- a/esak/session.py
+++ b/esak/session.py
@@ -1,5 +1,6 @@
 import datetime
 import hashlib
+import platform
 import urllib.parse
 from collections import OrderedDict
 from typing import Any, Dict, List, Optional, Union
@@ -8,6 +9,7 @@
 from marshmallow import ValidationError
 
 from esak import (
+    __version__,
     character,
     characters_list,
     comic,
@@ -92,8 +94,15 @@ def call(self, endpoint: List[Union[str, int]], params: Dict[str, Any] = None) -
         if cached_response is not None:
             return cached_response
 
+        header = {
+            "User-Agent": f"esak/{__version__} ({platform.system()}; {platform.release()})"
+        }
         self._update_params(params)
-        response = requests.get(url, params=params)
+        response = requests.get(
+            url,
+            params=params,
+            headers=header,
+        )
 
         data = response.json()
 
diff --git a/tests/comic_test.py b/tests/comic_test.py
index 5c7bf0d..7b6c281 100644
--- a/tests/comic_test.py
+++ b/tests/comic_test.py
@@ -2,6 +2,7 @@
 Test Comic module.
 This module contains tests for Comic objects.
 """
+from decimal import Decimal
 
 
 def test_pulls_verbose(talker):
@@ -36,20 +37,19 @@ def test_known_comic(talker):
     assert af15.issue_number == 15
     assert af15.description is None
     assert af15.format == "Comic"
-    # assert af15.page_count == 36
     assert af15.id == 16926
     assert "Spider-Man (Peter Parker)" in [c.name for c in af15.characters]
     assert "Foo" not in [c.name for c in af15.characters]
     assert "Steve Ditko" in [s.name for s in af15.creators]
     assert "Abe Lincoln" not in [s.name for s in af15.creators]
-    # assert af15.prices.print == 0.1
+    assert af15.prices.print == Decimal("0.00")
 
 
 def test_invalid_isbn(talker):
     """Sometimes Marvel API sends number for isbn"""
     murpg = talker.comic(1143)
     assert murpg.isbn == "785110283"
-    assert murpg.prices.print == 9.99
+    assert murpg.prices.print == Decimal("9.99")
 
 
 def test_invalid_diamond_code(talker):
@@ -61,3 +61,15 @@ def test_invalid_diamond_code(talker):
 def test_upc_code(talker):
     cable = talker.comic(95781)
     assert cable.upc == "759606201991000111"
+
+
+def test_comic_digital_price(talker):
+    cw1 = talker.comic(4216)
+    assert cw1.title == "Civil War (2006) #1"
+    assert cw1.prices.print == Decimal("0.00")
+    assert cw1.prices.digital == Decimal("1.99")
+    assert cw1.series.name == "Civil War (2006 - 2007)"
+    assert cw1.format == "Comic"
+    assert cw1.upc == "75960605921800111"
+    assert cw1.issue_number == 1
+    assert cw1.digital_id == 5486
diff --git a/tests/testing_mock.sqlite b/tests/testing_mock.sqlite
index 8c78467..8c935eb 100644
Binary files a/tests/testing_mock.sqlite and b/tests/testing_mock.sqlite differ