diff --git a/.gitignore b/.gitignore
index e43b0f9..7585238 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-.DS_Store
+book
diff --git a/book.toml b/book.toml
new file mode 100644
index 0000000..d01e9c5
--- /dev/null
+++ b/book.toml
@@ -0,0 +1,6 @@
+[book]
+authors = ["Tran Hau"]
+language = "en"
+multilingual = false
+src = "src"
+title = "Today I learned"
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+# Summary
+
+- [Today I learner](README.md)
+- [Install Arch Linux](install-archlinux.md)
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