diff --git a/scripts/create_books.py b/scripts/create_books.py
index 7939945..1815725 100644
--- a/scripts/create_books.py
+++ b/scripts/create_books.py
@@ -13,12 +13,13 @@ def run():
         books = json.loads(file_books.read())
 
     # Create books
-    for book in books:
+    for index, book in enumerate(books):
         Book(
+            id=index + 1,
             title=book['title'],
             author=book['author'],
             country=book['country'],
             year=book['year'],
         ).save()
 
-    print('Finish!')
\ No newline at end of file
+    print('Finish!')