diff --git a/src/Twig/FieldGuesser.php b/src/Twig/FieldGuesser.php
new file mode 100644
index 00000000..833b5960
--- /dev/null
+++ b/src/Twig/FieldGuesser.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Twig;
+
+use App\Entity\Book;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\UX\LiveComponent\Attribute\AsLiveComponent;
+use Symfony\UX\LiveComponent\Attribute\LiveAction;
+use Symfony\UX\LiveComponent\Attribute\LiveProp;
+use Symfony\UX\LiveComponent\ComponentToolsTrait;
+use Symfony\UX\LiveComponent\DefaultActionTrait;
+use Symfony\UX\LiveComponent\ValidatableComponentTrait;
+
+#[AsLiveComponent()]
+class FieldGuesser extends AbstractController
+{
+    use DefaultActionTrait;
+    use ValidatableComponentTrait;
+    use ComponentToolsTrait;
+
+    #[LiveProp()]
+    public Book $book;
+
+    public ?string $flashMessage = null;
+
+    #[LiveAction]
+    public function accept(EntityManagerInterface $entityManager): void
+    {
+        $this->book->setSerie($this->guessSerie());
+        $this->book->setSerieIndex((float) $this->guessIndex());
+        $this->book->setMainAuthor($this->guessAuthor());
+        $entityManager->flush();
+        $this->dispatchBrowserEvent('manager:flush');
+
+        $this->flashMessage = 'Saved';
+    }
+
+    public function guessSerie(): string
+    {
+        $author = $this->book->getMainAuthor();
+        $parts = explode(' - ', $author);
+        if (3 === count($parts)) {
+            return $parts[1];
+        }
+
+        return '';
+    }
+
+    public function guessIndex(): string
+    {
+        $author = $this->book->getMainAuthor();
+        $parts = explode(' - ', $author);
+        if (3 === count($parts)) {
+            return $parts[2];
+        }
+
+        return '';
+    }
+
+    public function guessAuthor(): string
+    {
+        $author = $this->book->getMainAuthor();
+        $parts = explode(' - ', $author);
+        if (3 === count($parts)) {
+            return $parts[0];
+        }
+
+        return '';
+    }
+}
diff --git a/templates/book/_list.html.twig b/templates/book/_list.html.twig
index 644540fd..18e8f91c 100644
--- a/templates/book/_list.html.twig
+++ b/templates/book/_list.html.twig
@@ -45,7 +45,8 @@
                 <div>
                 {{ component('InlineEditBook', {'book':book, 'field':'serie'}) }}
 
-                {{ component('InlineEditBook', {'book':book, 'field':'serieIndex'}) }}
+                <div class="w-25"> {{ component('InlineEditBook', {'book':book, 'field':'serieIndex'}) }}</div>
+                    {{ component('FieldGuesser',{'book':book}) }}
                 </div>
             </td>
             <td>
diff --git a/templates/components/FieldGuesser.html.twig b/templates/components/FieldGuesser.html.twig
new file mode 100644
index 00000000..407f1a0a
--- /dev/null
+++ b/templates/components/FieldGuesser.html.twig
@@ -0,0 +1,18 @@
+<span {{ attributes.defaults(stimulus_controller('inline-edit-book')) }}>
+    {% if this.guessAuthor!='' %}
+    <form>
+        <button
+            data-action="live#action"
+            data-action-name="prevent|accept"
+            class="btn btn-sm btn-outline-success"
+        >
+            Author: {{ this.guessAuthor }} //
+            Serie:{{ this.guessSerie }} //
+            Index: {{ this.guessIndex }}
+
+
+            <i class="bi bi-check"></i>
+        </button>
+    </form>
+    {% endif %}
+</span>