diff --git a/src/SUMMARY.md b/src/SUMMARY.md
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--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -1,4 +1,15 @@
 # Summary
 
+# Cookbook
+
+# Data Type Registry
 - [Create a Data Type](./chapter_1.md)
 
+-------------------------------------------------------------------------------
+
+# Metastore
+- [Metastore](metastore/introduction.md)
+   - [Features](metastore/features.md)
+   - [Enhanced Services](metastore/enhancedServices.md)
+   - [Links](metastore/links.md)
+
diff --git a/src/metastore/enhancedServices.md b/src/metastore/enhancedServices.md
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+++ b/src/metastore/enhancedServices.md
@@ -0,0 +1,14 @@
+# Enhanced Services (optional)
+
+The following services have to be installed on top of metastore.
+All services are **optional**.
+
+## Metadata Standards Catalog
+- Human readable description for finding appropriate schema.
+- Direct access to schema via metastore
+
+## Metadata Editor
+- Update (schema) documents online
+
+## Metadata Explorer
+- Exploring metadata by content 
diff --git a/src/metastore/features.md b/src/metastore/features.md
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+++ b/src/metastore/features.md
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+# Features
+
+## Metadata Repository
+- Managing millions of metadata documents (XML, JSON)
+- High througpput, high performance (ingest/access)
+- Live interaction / online handling and manipulation of metadata documents for 
+data of ongoing research
+
+## Schema Registry
+- Registering schema documents (XSD, JSON Schema)
+- Supports arbitrary number of user-defined metadata schemas 
+
+
+
diff --git a/src/metastore/introduction.md b/src/metastore/introduction.md
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+++ b/src/metastore/introduction.md
@@ -0,0 +1,9 @@
+# Metastore
+
+## Introduction
+Metastore is a **metadata repository** for managing millions of metadata documents.
+Metastore supports communities with their specific schemas (XSD, JSON Schema).
+
+It consists of two parts:
+- **Metadata Repository** for managing metadata documents
+- **Schema Registry** for registering schema documents
diff --git a/src/metastore/links.md b/src/metastore/links.md
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--- /dev/null
+++ b/src/metastore/links.md
@@ -0,0 +1,3 @@
+# Links
+- [Docker Hub](https://hub.docker.com/r/kitdm/metastore2) (docker image)
+- [gitHub](https://github.com/kit-data-manager/metastore2) (code and documentation)
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