diff --git a/src/app/book/page.tsx b/src/app/book/page.tsx
index f257b009..880375e0 100644
--- a/src/app/book/page.tsx
+++ b/src/app/book/page.tsx
@@ -130,7 +130,7 @@ export default async function BookHomePage() {
       {/* JSON-LD structured data */}
       <script
         type="application/ld+json"
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd).replace(/</g, '\\u003c') }}
       />
       <div className="max-w-2xl">
       {/* Continue Reading Button */}