diff --git a/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java b/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java
index 0f138d9..99802ce 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/BooksRest.java
@@ -3,6 +3,7 @@
 import jakarta.ws.rs.*;
 import jakarta.ws.rs.core.MediaType;
 import org.ntlab.citrusserver.entities.Book;
+import org.ntlab.citrusserver.repositories.AccountManager;
 import org.ntlab.citrusserver.repositories.BookManager;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
@@ -17,9 +18,12 @@
 public class BooksRest {  // BookRestはクラス
 
     private final BookManager bookManager;
+    private final AccountManager accountManager;
     @Autowired  // スプリングブートにいうサイン
-    public BooksRest(BookManager bm){ //public クラス名（）がコンストラクタ
+    public BooksRest(BookManager bm, AccountManager ac){//public クラス名（）がコンストラクタ
+
         bookManager = bm;
+        accountManager = ac;
     }
 
 
@@ -30,14 +34,16 @@
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public  HashMap<Integer, Book> getBooks(@PathParam("account_id") String account_id, @QueryParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return null;
         return bookManager.getBooks(account_id, token);
     }
 
     @Path("/{account_id}/books")
     @POST
     @Produces(MediaType.APPLICATION_JSON)  // intとかstringとかがたくさん返ってくるから、json public voidじゃないときは、返さなあかんから、 @Produces(MediaType.APPLICATION_JSON) これがいる
-    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)  // bodyに入力する値がある時
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)  // postmanのbodyに入力する値がある時
     public Book createBook(@PathParam("account_id") String account_id, @FormParam("title") String title, @FormParam("color") String color, @FormParam("publicity") Boolean publicity, @FormParam("token") String token) {
+        if(!accountManager.checkToken(account_id, token)) return null;
         return bookManager.createBook(account_id, title, color, publicity, token);
     }
 
@@ -48,6 +54,7 @@
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public Book getBook(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @QueryParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return null;
         return bookManager.getBook(account_id, book_id, token);
     }
   /// 本の削除
@@ -55,6 +62,7 @@
     @DELETE
     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     public void deleteTodoById(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @QueryParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return;
         bookManager.deleteBook(account_id, book_id, token);
     }
 
@@ -64,6 +72,7 @@
     @GET
     @Produces(MediaType.TEXT_PLAIN)
     public String getTitle(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @QueryParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return null;
         return bookManager.getTitle(account_id, book_id, token);
     }
 
@@ -72,6 +81,7 @@
     @PUT
     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     public void putTitle(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @FormParam("title") String title, @FormParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return;
         bookManager.putTitle(account_id, book_id, title, token);
     }
 
@@ -81,6 +91,7 @@
     @GET
     @Produces(MediaType.TEXT_PLAIN)
     public Boolean getPublicity(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @QueryParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return null;
         return bookManager.getPublicity(account_id, book_id, token);
     }
 
@@ -89,6 +100,7 @@
     @PUT
     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     public void putPublicity(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @FormParam("publicity") Boolean publicity, @FormParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return;
         bookManager.putPublicity(account_id, book_id, publicity, token);
     }
 
@@ -98,6 +110,7 @@
     @PUT
     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     public void putColor(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @FormParam("color") String color, @FormParam("token") String token){
+        if(!accountManager.checkToken(account_id, token)) return;
         bookManager.putColor(account_id, book_id, color, token);
     }
 }
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