diff --git a/server/book/tests/__init__.py b/server/book/tests/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/server/book/tests/test_module_mutations.py b/server/book/tests/test_module_mutations.py
new file mode 100644
index 00000000..7e780a65
--- /dev/null
+++ b/server/book/tests/test_module_mutations.py
@@ -0,0 +1,40 @@
+import io
+import os
+
+from django.test import TestCase
+
+from graphene.test import Client
+from graphql_relay import to_global_id
+
+from api.schema import schema
+from book.factories import ContentBlockFactory
+from book.models import ContentBlock
+
+from django.conf import settings
+
+
+class NewContentBlockMutationTest(TestCase):
+    def setUp(self):
+        content_block = ContentBlockFactory()
+        self.sibling_id = to_global_id('ContentBlock', content_block.pk)
+
+    def test_add_new_content_block(self):
+        self.assertEqual(ContentBlock.objects.count(), 1)
+        client = Client(schema=schema)
+        with io.open(os.path.join(settings.GRAPHQL_MUTATIONS_DIR, 'addContentBlock.gql')) as f:
+            mutation = f.read()
+
+        executed = client.execute(mutation, variables={
+            'input': {
+                "contentBlock": {
+                    "title": "Hello World", "contents": [
+                        {
+                            "type": "text_block",
+                            "text": "Hello there"
+                        }
+                    ]
+                },
+                "after": self.sibling_id
+            }
+        })
+        self.assertEqual(ContentBlock.objects.count(), 2)
diff --git a/server/core/settings.py b/server/core/settings.py
index 1d6ce8b3..34c83c8c 100644
--- a/server/core/settings.py
+++ b/server/core/settings.py
@@ -43,13 +43,6 @@ if not DEBUG:
 # Application definition
 
 INSTALLED_APPS = [
-    'core',
-    'api',
-    'user',
-    'book',
-    'objectives',
-    'rooms',
-
     'wagtail.contrib.forms',
     'wagtail.contrib.redirects',
     'wagtail.embeds',
@@ -78,6 +71,13 @@ INSTALLED_APPS = [
     'graphene_django',
     'django_extensions',
     'compressor',
+
+    'core',
+    'api',
+    'user',
+    'book.apps.BookConfig',
+    'objectives',
+    'rooms',
 ]
 
 if DEBUG:
@@ -332,4 +332,7 @@ if DEBUG:
     ]
 
 # http://docs.wagtail.io/en/v2.1/advanced_topics/settings.html?highlight=urls
-WAGTAIL_SITE_NAME = 'skillBox'
+WAGTAIL_SITE_NAME = 'skillbox'
+
+GRAPHQL_QUERIES_DIR = os.path.join(BASE_DIR, '..', 'client', 'src', 'graphql', 'gql')
+GRAPHQL_MUTATIONS_DIR = os.path.join(GRAPHQL_QUERIES_DIR, 'mutations')