diff --git a/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java b/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java
new file mode 100644
index 0000000..7918841
--- /dev/null
+++ b/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java
@@ -0,0 +1,16 @@
+package org.ntlab.citrusserver.repositories;
+
+import org.ntlab.citrusserver.entities.Account;
+import org.ntlab.citrusserver.entities.Book;
+
+public class PublicBookManager implements IBookListener{
+
+
+    @Override
+    public void bookChanged(Account account, Book book) {
+
+    }
+
+
+
+}