diff --git a/.github/workflows/test_Ch02.yml b/.github/workflows/test_Ch02.yml
deleted file mode 100644
index dfcce44..0000000
--- a/.github/workflows/test_Ch02.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch02 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch02 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch02-statlearn-lab.ipynb --allow-errors 
-
-
diff --git a/.github/workflows/test_Ch03.yml b/.github/workflows/test_Ch03.yml
deleted file mode 100644
index d4022ce..0000000
--- a/.github/workflows/test_Ch03.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch03 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch03 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch03*ipynb
-
-
diff --git a/.github/workflows/test_Ch04.yml b/.github/workflows/test_Ch04.yml
deleted file mode 100644
index b148d82..0000000
--- a/.github/workflows/test_Ch04.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch04 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch04 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch04*ipynb
-
-
diff --git a/.github/workflows/test_Ch05.yml b/.github/workflows/test_Ch05.yml
deleted file mode 100644
index 2b01551..0000000
--- a/.github/workflows/test_Ch05.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch05 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch05 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch05*ipynb
-
-
diff --git a/.github/workflows/test_Ch06.yml b/.github/workflows/test_Ch06.yml
deleted file mode 100644
index 3ed430c..0000000
--- a/.github/workflows/test_Ch06.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch06 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch06 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch06*ipynb
-
-
diff --git a/.github/workflows/test_Ch07.yml b/.github/workflows/test_Ch07.yml
deleted file mode 100644
index d87d848..0000000
--- a/.github/workflows/test_Ch07.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch07 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch07 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch07*ipynb
-
-
diff --git a/.github/workflows/test_Ch08.yml b/.github/workflows/test_Ch08.yml
deleted file mode 100644
index 2b7e77b..0000000
--- a/.github/workflows/test_Ch08.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch08 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch08 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch08*ipynb
-
-
diff --git a/.github/workflows/test_Ch09.yml b/.github/workflows/test_Ch09.yml
deleted file mode 100644
index e88a6ff..0000000
--- a/.github/workflows/test_Ch09.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch09 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch09 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch09*ipynb
-
-
diff --git a/.github/workflows/test_Ch10.yml b/.github/workflows/test_Ch10.yml
deleted file mode 100644
index ce97c12..0000000
--- a/.github/workflows/test_Ch10.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch10 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch10 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch10*ipynb
-
-
diff --git a/.github/workflows/test_Ch11.yml b/.github/workflows/test_Ch11.yml
deleted file mode 100644
index a2a4ee2..0000000
--- a/.github/workflows/test_Ch11.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch11 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch11 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch11*ipynb
-
-
diff --git a/.github/workflows/test_Ch12.yml b/.github/workflows/test_Ch12.yml
deleted file mode 100644
index f231523..0000000
--- a/.github/workflows/test_Ch12.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch12 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch12 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch12*ipynb
-
-
diff --git a/.github/workflows/test_Ch13.yml b/.github/workflows/test_Ch13.yml
deleted file mode 100644
index 77ff83d..0000000
--- a/.github/workflows/test_Ch13.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This is a basic workflow to help you get started with Actions
-
-name: Building Ch13 notebook
-
-# Controls when the workflow will run
-on:
-  workflow_dispatch:
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-          cache: 'pip'
-
-      # Install
-      - name: Install dependencies 
-        run: |
-          pip install -r requirements.txt
-          pip install ISLP jupyter
-
-      # Runs a set of commands using the runners shell
-      - name: Build notebook for Ch13 (some errors, not really a test)
-        run: |
-          jupyter nbconvert --execute --inplace Ch13*ipynb
-
-