diff --git a/.gitignore b/.gitignore
index 22f4705..9804386 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,8 @@
 .direnv
 result
 test_data/
-output_directory/
+output_directory/
+docs/book/
 # Added by cargo
 #
 # already existing elements were commented out
diff --git a/docs/book.toml b/docs/book.toml
new file mode 100644
index 0000000..edefa94
--- /dev/null
+++ b/docs/book.toml
@@ -0,0 +1,6 @@
+[book]
+authors = ["specCon18"]
+language = "en"
+multilingual = false
+src = "src"
+title = "sk_extract"
diff --git a/docs/src/SUMMARY.md b/docs/src/SUMMARY.md
new file mode 100644
index 0000000..dcd552d
--- /dev/null
+++ b/docs/src/SUMMARY.md
@@ -0,0 +1,4 @@
+# Summary
+
+- [CLI](./chapter_1.md)
+- [Library](./chapter_2.md)
\ No newline at end of file
diff --git a/docs/src/chapter_1.md b/docs/src/chapter_1.md
new file mode 100644
index 0000000..db3cc67
--- /dev/null
+++ b/docs/src/chapter_1.md
@@ -0,0 +1 @@
+# CLI
\ No newline at end of file
diff --git a/docs/src/chapter_2.md b/docs/src/chapter_2.md
new file mode 100644
index 0000000..b290298
--- /dev/null
+++ b/docs/src/chapter_2.md
@@ -0,0 +1 @@
+# Library
diff --git a/flake.nix b/flake.nix
index 4836dbe..0cc14ec 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,8 +21,8 @@
           rust-analyzer
           xz
           pkg-config
+          mdbook
         ];
-
       };
     };
 }