diff --git a/bookshelf/feed b/bookshelf/feed
index 19593309636..7e9ca8aa145 100755
--- a/bookshelf/feed
+++ b/bookshelf/feed
@@ -12,6 +12,14 @@
     <atom:link href="https://hail2u.net/bookshelf/feed" rel="self" type="application/rss+xml"/>
     <creativeCommons:license>https://creativecommons.org/licenses/by/4.0/</creativeCommons:license>
 
+      <item>
+        <description><![CDATA[ヘイミシュ・マクレイ]]></description>
+        <guid>https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22</guid>
+        <link>https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22</link>
+        <pubDate>Fri, 13 Sep 2024 07:53:29 +0900</pubDate>
+        <title><![CDATA[2050年の世界]]></title>
+        <content:encoded><![CDATA[<a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22"><img alt="2050年の世界" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0CC848K24.jpg" width="346"></a>]]></content:encoded>
+      </item>
       <item>
         <description><![CDATA[川崎悟司]]></description>
         <guid>https://www.amazon.co.jp/exec/obidos/ASIN/B09K7JL9MP/hail2unet-22</guid>
@@ -84,13 +92,5 @@
         <title><![CDATA[デザインの骨格]]></title>
         <content:encoded><![CDATA[<a href="https://www.amazon.co.jp/exec/obidos/ASIN/482226470X/hail2unet-22"><img alt="デザインの骨格" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/482226470X.jpg" width="351"></a>]]></content:encoded>
       </item>
-      <item>
-        <description><![CDATA[エドガー・アラン・ポー]]></description>
-        <guid>https://www.amazon.co.jp/exec/obidos/ASIN/B00IMCSZRI/hail2unet-22</guid>
-        <link>https://www.amazon.co.jp/exec/obidos/ASIN/B00IMCSZRI/hail2unet-22</link>
-        <pubDate>Wed, 21 Aug 2024 07:13:42 +0900</pubDate>
-        <title><![CDATA[ポー名作集]]></title>
-        <content:encoded><![CDATA[<a href="https://www.amazon.co.jp/exec/obidos/ASIN/B00IMCSZRI/hail2unet-22"><img alt="ポー名作集" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B00IMCSZRI.jpg" width="347"></a>]]></content:encoded>
-      </item>
   </channel>
 </rss>
diff --git a/bookshelf/index.html b/bookshelf/index.html
index 3b6398725c4..0eac37795a6 100755
--- a/bookshelf/index.html
+++ b/bookshelf/index.html
@@ -49,6 +49,13 @@ <h2><time datetime="2024-09">2024年9月</time></h2>
 
             <ul class="showcase">
 
+        <li>
+          <a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22"><img alt="2050年の世界" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0CC848K24.jpg" width="346"></a>
+          <p><em>2050年の世界</em></p>
+          <p>ヘイミシュ・マクレイ</p>
+        </li>
+
+
         <li>
           <a href="https://www.amazon.co.jp/exec/obidos/ASIN/B09K7JL9MP/hail2unet-22"><img alt="ドラゴンは爬虫類" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B09K7JL9MP.jpg" width="352"></a>
           <p><em>ドラゴンは爬虫類</em></p>
diff --git a/feed b/feed
index 7886a3e4d9e..c29446935ea 100755
--- a/feed
+++ b/feed
@@ -12,6 +12,14 @@
     <atom:link href="https://hail2u.net/feed" rel="self" type="application/rss+xml"/>
     <creativeCommons:license>https://creativecommons.org/licenses/by/4.0/</creativeCommons:license>
 
+      <item>
+        <description><![CDATA[ヘイミシュ・マクレイ]]></description>
+        <guid>https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22</guid>
+        <link>https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22</link>
+        <pubDate>Fri, 13 Sep 2024 07:53:29 +0900</pubDate>
+        <title><![CDATA[2050年の世界]]></title>
+        <content:encoded><![CDATA[<a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22"><img alt="2050年の世界" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0CC848K24.jpg" width="346"></a>]]></content:encoded>
+      </item>
       <item>
         <description><![CDATA[ダーク・モードの利用状況。どこかの発表をまとめたのか、食い違うデータがあるように見える。ただ82%のスマフォがそうという結果があることは衝撃。]]></description>
         <guid>https://worldmetrics.org/dark-mode-usage-statistics/</guid>
@@ -84,13 +92,5 @@
         <title><![CDATA[マザーツリー]]></title>
         <content:encoded><![CDATA[<a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0BM8Q8D7K/hail2unet-22"><img alt="マザーツリー" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0BM8Q8D7K.jpg" width="346"></a>]]></content:encoded>
       </item>
-      <item>
-        <description><![CDATA[URLを維持するのって難しいな]]></description>
-        <guid>https://hail2u.net/statuses/#1725328958805</guid>
-        <link>https://hail2u.net/statuses/#1725328958805</link>
-        <pubDate>Tue, 3 Sep 2024 11:02:38 +0900</pubDate>
-        <title><![CDATA[URLを維持するのって難しいな]]></title>
-        
-      </item>
   </channel>
 </rss>
diff --git a/index.html b/index.html
index aa55137de11..5f400715e39 100755
--- a/index.html
+++ b/index.html
@@ -204,12 +204,12 @@ <h3>Getting stuck: all the ways position:sticky can fail</h3>
         <h2>新たに読み終えた書籍</h2>
 
         <ul class="showcase oneline">
+            <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0CC848K24/hail2unet-22"><img alt="2050年の世界" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0CC848K24.jpg" width="346"></a></li>
             <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B09K7JL9MP/hail2unet-22"><img alt="ドラゴンは爬虫類" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B09K7JL9MP.jpg" width="352"></a></li>
             <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B00IIY0KI2/hail2unet-22"><img alt="第六ポンプ" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B00IIY0KI2.jpg" width="337"></a></li>
             <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0BM8Q8D7K/hail2unet-22"><img alt="マザーツリー" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0BM8Q8D7K.jpg" width="346"></a></li>
             <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0BY8YT486/hail2unet-22"><img alt="魔術師列伝" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0BY8YT486.jpg" width="341"></a></li>
             <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B08KXYSSLM/hail2unet-22"><img alt="透明性" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B08KXYSSLM.jpg" width="345"></a></li>
-            <li><a href="https://www.amazon.co.jp/exec/obidos/ASIN/B0CKSJN6FZ/hail2unet-22"><img alt="星空をつくる機械" height="500" loading="lazy" src="https://m.media-amazon.com/images/P/B0CKSJN6FZ.jpg" width="338"></a></li>
         </ul>
       </section>
     </main>