diff --git a/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java b/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
index d826fda..b1562c8 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
@@ -4,7 +4,10 @@
 import org.ntlab.citrusserver.entities.Book;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Repository;
+
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 @Repository
 public class BookManager {
@@ -12,6 +15,24 @@
     private final HashMap<String, HashMap<Integer, Book>> booksMap = new HashMap<>();
     private final AccountManager accountManager; //仮
 
+    private final List<IBookListener> iBookListeners = new ArrayList<>();
+
+    //IBookListenerを追加
+    private void addListener(IBookListener iBookListener)
+    {
+        iBookListeners.add(iBookListener);
+    }
+
+    //IBookListenerに通知する
+    private void notifyListener(Account account, Book book)
+    {
+        for(IBookListener iBookListener : iBookListeners)
+        {
+            iBookListener.bookChanged(account, book);
+        }
+    }
+
+
     @Autowired
     public BookManager(AccountManager accountManager) {
         this.accountManager = accountManager;
@@ -87,13 +108,16 @@
     //公開情報を変更する
     public int putPublicity(String accountId, Integer bookId, Boolean publicity)
     {
-        if(accountManager.getAccount(accountId) == null) return -1; //アカウントが存在しない
+        Account account = accountManager.getAccount(accountId);
+        Book book = booksMap.get(accountId).get(bookId);
+        if(account == null) return -1; //アカウントが存在しない
         else
         {
-            booksMap.get(accountId).get(bookId).setPublicity(publicity);
+            if(book.getPublicity() == publicity) return 1;//変更が無ければ終了
+            book.setPublicity(publicity);
+            notifyListener(account, book);
             return 1;
         }
-
     }
 
     //（（（　目標・振り返りは省略　）））