diff --git a/content/build.js b/content/build.js
index da8bda3..69d837f 100644
--- a/content/build.js
+++ b/content/build.js
@@ -89,7 +89,12 @@ const generate = async (config, lang) => {
   };
 
   const section = (name) => {
-    const src = fs.readFileSync(`content/${lang}/${name}.md`, 'utf8');
+    const filePath = `content/${lang}/${name}.md`;
+    if (!fs.existsSync(filePath)) {
+      console.log(`Skipping missing file: ${filePath}`);
+      return;
+    }
+    const src = fs.readFileSync(filePath, 'utf8');
     const rows = src.split('\n');
     let block = BLOCK_TEXT;
     let lines = [];
diff --git a/content/config.js b/content/config.js
index 869d1e8..13e6240 100644
--- a/content/config.js
+++ b/content/config.js
@@ -1,5 +1,5 @@
 ({
-  languages: ['en', 'ru', 'cz', 'uk'],
+  languages: ['en', 'ru', 'cz', 'uk', 'de'],
   sections: [
     'Abstract',
     'Index',
diff --git a/eslint.config.js b/eslint.config.js
index 5ec72ed..9482be5 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -14,4 +14,10 @@ module.exports = [
       'prettier.config.*',
     ],
   },
+  {
+    files: ['**/Book.js', 'content/config.js'],
+    rules: {
+      strict: 'off',
+    },
+  },
 ];
diff --git a/release/Metaprogramming-cz.pdf b/release/Metaprogramming-cz.pdf
index 06df5a3..eb5283a 100644
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diff --git a/release/Metaprogramming-de.pdf b/release/Metaprogramming-de.pdf
new file mode 100644
index 0000000..3671d13
Binary files /dev/null and b/release/Metaprogramming-de.pdf differ
diff --git a/release/Metaprogramming-en.pdf b/release/Metaprogramming-en.pdf
index 9ffd187..fb63c56 100644
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diff --git a/release/Metaprogramming-ru.pdf b/release/Metaprogramming-ru.pdf
index ba19e92..fe3a136 100644
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diff --git a/release/Metaprogramming-uk.pdf b/release/Metaprogramming-uk.pdf
index 55ece25..4cdc395 100644
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