diff --git a/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java b/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java
index 1a65b7b..2fd6a5c 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java
@@ -67,7 +67,9 @@
     public Book getBook(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @QueryParam("token") String token){
 
         accountCheck(account_id);
-        tokenCheck(account_id, token);
+        if (!bookManager.getPublicity(account_id, book_id)){
+            tokenCheck(account_id, token);
+        }
         return bookManager.getBook(account_id, book_id);
     }
   /// 本の削除