diff --git a/app/src/main/java/com/example/citrusclient/rest/ScheduleRest.java b/app/src/main/java/com/example/citrusclient/rest/ScheduleRest.java
index be891fe..bfc32d4 100644
--- a/app/src/main/java/com/example/citrusclient/rest/ScheduleRest.java
+++ b/app/src/main/java/com/example/citrusclient/rest/ScheduleRest.java
@@ -58,6 +58,17 @@
         @Query("token") String token
     );
 
+    @GET(BASE_URL + "/{year}/{month}")
+    Call<HashMap<Integer, //日
+            HashMap<Integer, //Id
+                    Schedule>>> getScheduleByMonthAndBookId(
+            @Path("account_id") String accountId,
+            @Path("year") int year,
+            @Path("month") int month,
+            @Query("book_id") int bookId,
+            @Query("token") String token
+    );
+
     @GET(BASE_URL + "/{year}/{month}/{day}/{schedule_id}")
     Call<Schedule> getScheduleById(
         @Path("account_id") String accountId,