update

Author: ken-okabe

_site/0-book/index.md

@@ -10,6 +10,11 @@ icon: open-book
 
 [![BookCover](https://raw.githubusercontent.com/ken-okabe/web-images5/main/img_1747815008747.png)](https://ken-okabe.github.io/en/book/unit-0/section-0/0-about-unit/)
 
+### A Next-Generation Tutorial on Functional Programming for the AI Age
+
+### Ken Okabe
+
+
 :::
 
 :::lang-ja
@@ -18,4 +23,8 @@ icon: open-book
 
 [![BookCover](https://raw.githubusercontent.com/ken-okabe/web-images5/main/img_1747815008747.png)](https://ken-okabe.github.io/en/book/unit-0/section-0/0-about-unit/)
 
+### A Next-Generation Tutorial on Functional Programming for the AI Age
+
+### Ken Okabe
+
 :::

src/content/docs/en/book/index.md

@@ -4,3 +4,7 @@ title: Experience Quality Coding for AI
 description: BookCover
 ---
 [![BookCover](https://raw.githubusercontent.com/ken-okabe/web-images5/main/img_1747815008747.png)](https://ken-okabe.github.io/en/book/unit-0/section-0/0-about-unit/)
+
+### A Next-Generation Tutorial on Functional Programming for the AI Age
+
+### Ken Okabe

src/content/docs/ja/book/index.md

@@ -4,3 +4,7 @@ title: 最高のコーディング体験 for AI
 description: BookCover
 ---
 [![BookCover](https://raw.githubusercontent.com/ken-okabe/web-images5/main/img_1747815008747.png)](https://ken-okabe.github.io/en/book/unit-0/section-0/0-about-unit/)
+
+### A Next-Generation Tutorial on Functional Programming for the AI Age
+
+### Ken Okabe