diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ If you have Visual Studio 2022 for Windows and Visual Studio Code and its C# ext
 - [/vscode](/vscode): Visual Studio Code workspace files and projects for each chapter
 
 ## Sibling books
-![Sibling books](B18857_01_01.png)
+![Sibling books](images/B18857_01_01.png)
 
 [GitHub repository for Apps and Services with .NET 7](https://github.com/markjprice/apps-services-net7)
 
diff --git a/docs/errata/README.md b/docs/errata/README.md
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@@ -0,0 +1,9 @@
+# Errata and Improvements
+
+If you find any mistakes in the seventh edition, *C# 11 and .NET 7 - Modern Cross-Platform Development Fundamentals*, or if you have suggestions for improvements, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
+
+[**Errata**](errata.md): Typos or mistakes in code that would cause a compilation error that prevents a successful build.
+
+[**Improvements**](improvements.md): Changes to text or code that would improve the content. These are optional.
+
+All errata and improvements will be included in the 8th edition planned for publishing in November 2023. To be included they must be submitted by mid-September 2023.
\ No newline at end of file
diff --git a/docs/errata/errata.md b/docs/errata/errata.md
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@@ -0,0 +1,15 @@
+# Errata
+
+If you find any mistakes, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
+
+- [Errata](#errata)
+- [Print Book](#print-book)
+- [Bonus Content](#bonus-content)
+
+# Print Book
+
+None so far.
+
+# Bonus Content 
+
+None so far.
\ No newline at end of file
diff --git a/docs/errata/improvements.md b/docs/errata/improvements.md
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index 0000000..9155fc4
--- /dev/null
+++ b/docs/errata/improvements.md
@@ -0,0 +1,15 @@
+# Improvements
+
+If you have suggestions for improvements, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
+
+- [Improvements](#improvements)
+- [Print Book](#print-book)
+- [Bonus Content](#bonus-content)
+
+# Print Book
+
+None so far.
+
+# Bonus Content 
+
+None so far.
\ No newline at end of file
diff --git a/errata.md b/errata.md
deleted file mode 100644
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--- a/errata.md
+++ /dev/null
@@ -1,12 +0,0 @@
-# Errata, Improvements and Troubleshooting
-
-If you find any mistakes in the seventh edition, *C# 11 and .NET 7 - Modern Cross-Platform Development*, or if you have suggestions for improvements, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
-
-- [Errata, Improvements and Troubleshooting](#errata-improvements-and-troubleshooting)
-- [Print Book](#print-book)
-- [Bonus Content](#bonus-content)
-
-# Print Book
-
-# Bonus Content 
-
diff --git a/B18857_01_01.png b/images/B18857_01_01.png
similarity index 100%
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rename to images/B18857_01_01.png