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diff --git a/_data/modules.yml b/_data/modules.yml
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--- a/_data/modules.yml
+++ b/_data/modules.yml
@@ -36,7 +36,7 @@
   page: /modules/11-distributed-systems-2
 6b:
   name: Tests with Larger Scope
-  page: 
+  page: /modules/12-larger-tests
 7a:
   name: Continuous Development
   page: 
diff --git a/lectures/l12.md b/lectures/l12.md
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+++ b/lectures/l12.md
@@ -0,0 +1,34 @@
+---
+layout: module
+title: "12 - Tests With Larger Scope"
+permalink: /modules/12-larger-tests
+parent: Modules
+nav_order: 12
+lessons: 
+  - title: "Testing Larger Things"
+    ppt: "Module 12 Testing Larger Things.pptx"
+    pdf: "Module 12 Testing Larger Things.pdf"
+---
+### Learning Objectives:
+In this module, you will learn to:
+* Design test cases for code using fakes, mocks and spies
+* Explain why you might need a test double in your testing
+* Explain why you might need tests that are larger than unit tests
+* Explain how large, deployed systems lead to additional testing challenges
+
+{% include lesson.html %}
+
+### Important Dates:
+* Individual Project 2 **Due Wednesday, Feb 19 by 12pm (noon)**{: .label .label-red }
+
+
+### Tutorials
+* [Tutorial: Cypress]({{site.baseurl}}{% link tutorials/week5-cypress.md %})
+
+
+### Resources
+* [Software Engineering at Google: “Larger Testing”](https://learning.oreilly.com/library/view/software-engineering-at/9781492082781/ch14.html)
+* [Code example from lecture]({{ site.baseurl }}{% link Examples/module-12-testing-examples.zip %})
+* [jest-mock-extended](https://www.npmjs.com/package/jest-mock-extended)
+* [Aye Spy, visual regression testing](https://github.com/newsuk/AyeSpy?tab=readme-ov-file)
+* [End to End Testing with Cypress](https://docs.cypress.io/guides/end-to-end-testing/writing-your-first-end-to-end-test)
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