diff --git a/src/logic/__init__.py b/src/logic/__init__.py
index 30929ea..fc1efde 100644
--- a/src/logic/__init__.py
+++ b/src/logic/__init__.py
@@ -1,2 +1,3 @@
 __help__ = "This package contains the logic of the application."
 from .database import Database
+from .catalogue import Catalogue
\ No newline at end of file
diff --git a/src/schemas/__init__.py b/src/schemas/__init__.py
index 7a6e3f1..68e5795 100644
--- a/src/schemas/__init__.py
+++ b/src/schemas/__init__.py
@@ -1,2 +1,3 @@
 from .database import LOANS, MEDIA, USERS
 from .user import User
+from .book import Book
\ No newline at end of file