diff --git a/src/bots/factory/bots/approved/format.ts b/src/bots/factory/bots/approved/format.ts
index 0398be5..452135b 100644
--- a/src/bots/factory/bots/approved/format.ts
+++ b/src/bots/factory/bots/approved/format.ts
@@ -58,6 +58,10 @@ export function formatDetailBook(book: DetailBook): string {
     const addEmptyLine = () => response.push("");
 
     response.push(`📖 ${book.title} | ${book.lang}`);
+
+    if (book.pages !== null)
+        response.push(`[ ${book.pages} с. ]`);
+
     addEmptyLine();
 
     if (book.annotation_exists) {
diff --git a/src/bots/factory/bots/approved/services/book_library.ts b/src/bots/factory/bots/approved/services/book_library.ts
index 085a1c2..c7d4f14 100644
--- a/src/bots/factory/bots/approved/services/book_library.ts
+++ b/src/bots/factory/bots/approved/services/book_library.ts
@@ -69,6 +69,7 @@ export interface DetailBook extends Book {
     source: Source;
     remote_id: number;
     is_deleted: boolean;
+    pages: number | null;
 }