diff --git a/src/main/java/com/example/demo/controller/BookInsertConfirmController.java b/src/main/java/com/example/demo/controller/BookInsertConfirmController.java
index d3e6cc1..447b97a 100644
--- a/src/main/java/com/example/demo/controller/BookInsertConfirmController.java
+++ b/src/main/java/com/example/demo/controller/BookInsertConfirmController.java
@@ -1,14 +1,6 @@
 package com.example.demo.controller;
 
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.GetMapping;
+//@Controller
+
 
-@Controller
-public class BookInsertConfirmController {
-	@GetMapping("/bookInsertConfirm")
-	public String bookInsertConfirm() {
-		return "bookInsertConfirm";
-		
-	}
 
-}
diff --git a/src/main/java/com/example/demo/controller/BookInsertController.java b/src/main/java/com/example/demo/controller/BookInsertController.java
index d066d30..c725330 100644
--- a/src/main/java/com/example/demo/controller/BookInsertController.java
+++ b/src/main/java/com/example/demo/controller/BookInsertController.java
@@ -1,13 +1,85 @@
 package com.example.demo.controller;
 
+import java.util.ArrayList;
+
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import com.example.demo.entity.BookInsert;
+import com.example.demo.repository.BookCategoryRepository;
+import com.example.demo.repository.StorageLocationRepository;
+import com.example.demo.repository.SubCategoryRepository;
+import com.example.demo.service.BookInsertService;
 
 @Controller
 public class BookInsertController {
-	@GetMapping("bookInsert")
-		public String bookInsert() {
-			return "bookInsert";
-		
-	}
-}
+	
+@Autowired
+private BookInsertService bookInsertService;
+
+@Autowired
+private BookCategoryRepository categoryRepository;
+
+@Autowired
+private SubCategoryRepository subCategoryRepository;
+
+@Autowired 
+private StorageLocationRepository storageLocationRepository;
+
+	    @GetMapping("/bookInsert")
+	    public String bookInsert(Model model) {
+	    	model.addAttribute("categoryList",categoryRepository.findAll());
+	    model.addAttribute("subCategoryList",subCategoryRepository.findAll());
+		model.addAttribute("locationList",storageLocationRepository.findAll());
+	    	model.addAttribute("bookInsert",new BookInsert());
+	        return "bookInsert";
+	    }
+	    
+	    // 初期表示: 空のformを渡す(th:fieldの初期値が空になる)
+	    
+	    // 確認画面から戻る: POSTされた入力中の値がformに入ったまま入力画面へ
+	    @PostMapping("/bookInsertConfirm")
+	    public String bookInsertConfirm(BookInsert bookInsert,Model model) {
+	    	System.out.println(bookInsert);
+	    	bookInsertService.save(bookInsert);
+	    	model.addAttribute("bookInsert",bookInsert);
+	        return "bookInsertConfirm";
+	    }
+	    
+	    @PostMapping("/bookInsert")
+	    public String bookInsertBack(BookInsert bookInsert,Model model) {
+	    	model.addAttribute("categoryList",categoryRepository.findAll());
+	    	model.addAttribute("subCategoryList",new ArrayList<>());
+	    	model.addAttribute("locationList",storageLocationRepository.findAll());
+	    	model.addAttribute("bookInsert",bookInsert);
+	        return "bookInsert";
+	    }
+	    
+	    @PostMapping("/bookInsert/category")
+	    public String changeCategory(BookInsert bookInsert,Model model) {
+	    	    //カテゴリプルダウンに表示するデータを取得
+	    		model.addAttribute("categoryList",categoryRepository.findAll());
+
+	        model.addAttribute("subCategoryList",subCategoryRepository.findByBookCategory_BookCategoryId(bookInsert.getBookCategoryId()));
+	        model.addAttribute("locationList",storageLocationRepository.findAll());
+	        model.addAttribute("bookInsert", bookInsert);
+
+	        return "bookInsert";
+	    }
+	    
+	    
+	
+	    }
+
+
+	//画面で選択したカテゴリbookInsert.getBookCategoryId()に選択した結果をいれる
+	//subCategoryRepository.findBookCategory_BookCategoryId(bookInsert.getBookCategoryId(1)));
+	//「カテゴリIDが1のサブカテゴリを取ってくる」
+	//model.addAttribute("subCategoryList",取得結果)
+	    
+	  
+	   
+	 
diff --git a/src/main/java/com/example/demo/entity/BookInsert.java b/src/main/java/com/example/demo/entity/BookInsert.java
new file mode 100644
index 0000000..9305b62
--- /dev/null
+++ b/src/main/java/com/example/demo/entity/BookInsert.java
@@ -0,0 +1,75 @@
+package com.example.demo.entity;
+import java.time.LocalDate;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import jakarta.persistence.Transient;
+
+import lombok.Data;
+
+@Entity  // このクラスがDBのテーブルに対応することを表す
+@Table(name = "book")
+@Data
+public class BookInsert {
+
+    @Id  // 主キー
+    @GeneratedValue(strategy = GenerationType.IDENTITY)  // 自動採番
+    @Column(name = "book_id")
+    private Integer bookId;
+    
+    @Column(name = "book_manage_id")
+    private String bookManageId;
+
+    @Column(name = "title")
+    private String title;
+    
+    @Column(name = "isbn")
+    private String isbn;
+    
+    @Column(name = "author")
+    private String author;
+    
+    @Column(name = "book_subcategory_id")
+    private Integer subcategory;
+    
+    @Column(name = "publisher")
+    private String publisher;
+    
+    @Column(name = "publication_date")
+    private LocalDate publicationDate;
+    
+    @Column(name = "location_id")
+    private Integer location;
+    
+    @Column(name = "condition_s")
+    private Integer condition;
+    
+    @Column(name = "donor_id")
+    private Integer donor;
+    
+    @Column(name = "description")
+    private String description;
+    
+    @Column(name = "created_at")
+    private LocalDate createdAt;
+
+    @Column(name = "updated_at")
+    private LocalDate updatedAt;
+
+    @Column(name = "is_deleted")
+    private Integer isDeleted;
+    
+    @Column(name = "book_approval")
+    private Integer bookApproval;
+  
+    @Transient //DB保存無効
+    private Integer bookCategoryId;
+    
+    
+    
+ 
+}
diff --git a/src/main/java/com/example/demo/repository/BookInsertRepository.java b/src/main/java/com/example/demo/repository/BookInsertRepository.java
new file mode 100644
index 0000000..16ab016
--- /dev/null
+++ b/src/main/java/com/example/demo/repository/BookInsertRepository.java
@@ -0,0 +1,11 @@
+package com.example.demo.repository;
+
+
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.example.demo.entity.BookInsert;
+
+public interface BookInsertRepository extends JpaRepository<BookInsert,Integer> {
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/demo/repository/StorageLocationRepository.java b/src/main/java/com/example/demo/repository/StorageLocationRepository.java
new file mode 100644
index 0000000..861a62a
--- /dev/null
+++ b/src/main/java/com/example/demo/repository/StorageLocationRepository.java
@@ -0,0 +1,9 @@
+package com.example.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.example.demo.entity.StorageLocation;
+
+public interface StorageLocationRepository extends JpaRepository<StorageLocation, Integer> {
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/demo/repository/SubCategoryRepository.java b/src/main/java/com/example/demo/repository/SubCategoryRepository.java
new file mode 100644
index 0000000..7a2ea13
--- /dev/null
+++ b/src/main/java/com/example/demo/repository/SubCategoryRepository.java
@@ -0,0 +1,12 @@
+package com.example.demo.repository;
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.example.demo.entity.BookSubcategory;
+
+public interface SubCategoryRepository
+        extends JpaRepository<BookSubcategory,Integer> {
+	List<BookSubcategory> findByBookCategory_BookCategoryId(Integer bookCategoryId);
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/demo/service/BookInsertService.java b/src/main/java/com/example/demo/service/BookInsertService.java
new file mode 100644
index 0000000..51a4f71
--- /dev/null
+++ b/src/main/java/com/example/demo/service/BookInsertService.java
@@ -0,0 +1,11 @@
+package com.example.demo.service;
+
+import java.util.List;
+
+import com.example.demo.entity.BookInsert;
+
+public interface BookInsertService {
+	String regist(BookInsert book);
+	List<BookInsert> findAll();
+	void save(BookInsert bookInsert);
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/demo/service/BookInsertServiceImpl.java b/src/main/java/com/example/demo/service/BookInsertServiceImpl.java
new file mode 100644
index 0000000..d8e6c32
--- /dev/null
+++ b/src/main/java/com/example/demo/service/BookInsertServiceImpl.java
@@ -0,0 +1,47 @@
+	package com.example.demo.service;
+	
+	import java.time.LocalDate;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.example.demo.entity.BookInsert;
+import com.example.demo.repository.BookInsertRepository;
+	
+	@Service
+	public class BookInsertServiceImpl implements BookInsertService {
+	
+	    @Autowired
+	    private BookInsertRepository bookInsertRepository;
+	
+	    @Override
+	    public String regist(BookInsert book) {
+	        // DTO → エンティティへ詰め替えて保存
+	        bookInsertRepository.save(book);  // 保存
+	        return "登録が完了しました";
+	    }
+	
+	    @Override
+	    public List<BookInsert> findAll() {
+	        return bookInsertRepository.findAll();  // 全件取得
+	    }
+	    
+	    public void save(BookInsert bookInsert) {
+	    	bookInsert.setCreatedAt(LocalDate.now());//登録日時設定
+	    	bookInsert.setUpdatedAt(LocalDate.now());//更新日時設定
+	    	bookInsert.setIsDeleted(0);//削除フラグ設定
+	    	bookInsert.setBookApproval(0);//承認フラグ(承認されていないため0)
+	    	bookInsertRepository.save(bookInsert);
+	    	//BK〇〇〇〇形式で管理IDを作る
+	    	String manageId="BK-" + bookInsert.getBookId();//BookId取得→BK形式に変換
+	    	bookInsert.setBookManageId(manageId);
+	    
+	     bookInsertRepository.save(bookInsert);//データベースに保存
+	    }
+	}
+	
+	
+	
+	// ※BookService インタフェースにも List<Review> findAll(); を追加すること
+	
diff --git a/src/main/resources/templates/bookInsert.html b/src/main/resources/templates/bookInsert.html
index 41ae8a2..059917e 100644
--- a/src/main/resources/templates/bookInsert.html
+++ b/src/main/resources/templates/bookInsert.html
@@ -8,8 +8,99 @@
 
 <body>
 	<h1>新規図書登録入力</h1>
-	<form action="/bookInsertConfirm" method="GET">
-	<input type="submit" value="確認画面へ" class="btn">
+	       <br><br>
+	<h4>新しく図書を登録します。必要事項jを入力し、「登録」ボタンを押してください</h4>
+	<span style="color:red;">※は必須項目です</span>
+	<br><br>
+	<form action="/bookInsertConfirm" method="POST" th:object="${bookInsert}">
+ 
+		
+		<label for="bookmanageId">図書管理ID</label><br>
+				<input type="text"
+				       id="bookManageId"
+				       placeholder="登録時に自動採番されます" readonly>
+				<br><br>
+
+	<label for="title">タイトル<span style="color:red;">※</span></label><br>
+	<input type="text" id="title" name="title" placeholder="タイトルを入力" th:value="${bookInsert.title}" required>
+	<br><br>
+	
+	<label for="isbn">ISBN<span style="color:red;">※</span></label><br>
+	<input type="text" id="isbn" name="isbn" placeholder="例:978-1-23-456789-0" th:value="${bookInsert.isbn}" required>
+		<br><br>
+	
+		<label for="title">著者名<span style="color:red;">※</span></label><br>
+		<input type="text" id="author" name="author" placeholder="著者名を入力" th:value="${bookInsert.author}" required>
+		<br><br>
+		
+		<!--自動でサブかてを絞り込む。カテゴリをせんたくして、
+		このselectが入っているformの送信先を/bookInsert/categoryに変更、そのformを送信-->
+		<label for="category">カテゴリ</label><br>
+		<select th:field="*{bookCategoryId}" onchange="this.form.action='/bookInsert/category';this.form.submit();">
+		<option value=""> 選択してください
+		 </option>
+		<option th:each="category:${categoryList}"
+		       th:value="${category.bookCategoryId}"
+		       th:text="${category.bookCategoryName}">
+		    </option>
+
+		</select>
+		<br><br>
+		
+		<label for="subcategory">サブカテゴリ<span style="color:red;">※</span></label><br>
+		<select th:field="*{subcategory}">
+		    <option value="">選択してください</option>
+			<option th:each="sub:${subCategoryList}"
+				    th:value="${sub.bookSubcategoryId}"
+				    th:text="${sub.bookSubcategoryName}" required>
+				    </option>
+				</select>
+		<br><br>
+		
+		<label for="location">保管場所<span style="color:red;">※</span></label><br>
+		<select th:field="*{location}">
+		<option value="">選択してください</option>
+			<option th:each="location:${locationList}"
+		            th:value="${location.locationId}"
+		            th:text="${location.locationName}" required>
+		    </option>
+
+		</select>
+		<br><br>
+		
+		<label for="condition">図書状態<span style="color:red;">※</span></label><br>
+		<select name="condition" required>
+			<option value="">選択してください</option>
+		    <option value="1">新品同様</option>
+		    <option value="2">良好</option>
+		    <option value="3">使用感あり</option>
+		    <option value="4">傷みあり</option>
+		</select>
+		<br><br>		
+		
+		<label for="publisher">主パン者</label><br>
+				<input type="text" id="publisher" name="publisher" th:value="${bookInsert.publisher}">
+				<br><br>
+				
+				<label for="publicationDate">出版日</label><br>
+				<input type="date" id="publicationDate" name="publicationDate" th:value="${bookInsert.publicationDate}">
+				<br><br>
+	   
+		<label for="donor">寄贈者社員ID</label><br>
+		<input type="text" id="donor" name="donor" th:value="${bookInsert.donor}">
+		<br><br>
+		
+		<!--
+		<label for="description">備考</label><br>
+		<input type="text" id="description" name="description" th:value="${bookInsert.description}">
+		<br><br>
+</label>-->
+
+
+	<input type="submit" value="登録" class="btn">
+</form>
+
+
 </body>
 
 </html>
\ No newline at end of file
diff --git a/src/main/resources/templates/bookInsertConfirm.html b/src/main/resources/templates/bookInsertConfirm.html
index 95c84a3..9a53f47 100644
--- a/src/main/resources/templates/bookInsertConfirm.html
+++ b/src/main/resources/templates/bookInsertConfirm.html
@@ -9,9 +9,24 @@
 <body>
 	<h1>登録内容確認</h1>
 
-	<!-- 戻る -->
-	<form action="/bookInsert" method="GET">
-		<input type="submit" value="戻る" class="btn">
+		
+		<!-- もどる: 入力中の値を持って入力画面へ -->
+		<form method="post" th:action="@{/bookInsert}" >
+		    <input type="hidden" name="bookId" th:value="${bookInsert.bookId}">
+			<input type="hidden" name="bookmanageId" th:value="${bookInsert.bookManageId}">
+		    <input type="hidden" name="title" th:value="${bookInsert.title}">
+			<input type="hidden" name="isbn" th:value="${bookInsert.isbn}">
+			<input type="hidden" name="author" th:value="${bookInsert.author}">
+			<input type="hidden" name="category" th:value="${bookInsert.bookCategoryId}">
+			<input type="hidden" name="subcategory" th:value="${bookInsert.subcategory}">
+			<input type="hidden" name="publisher" th:value="${bookInsert.publisher}">
+			<input type="hidden" name="publicationDate" th:value="${bookInsert.publicationDate}">
+			<input type="hidden" name="location" th:value="${bookInsert.location}">
+			<input type="hidden" name="condition" th:value="${bookInsert.condition}">
+			<input type="hidden" name="donor" th:value="${bookInsert.donor}">
+			<input type="hidden" name="description" th:value="${bookInsert.description}">
+		    <button type="submit">もどる</button>
+		</form>
 	</form>
 	<!-- 完了 -->
 	<form action="/book" method="GET">
@@ -52,6 +67,7 @@
 					</button>
 
 				</form>
+				
 
 			</div>