diff --git a/assets/js/pages/book.vue b/assets/js/pages/book.vue
index dc4e58c..45f3ba8 100644
--- a/assets/js/pages/book.vue
+++ b/assets/js/pages/book.vue
@@ -1,14 +1,20 @@
 <template>
   <div>
-    <div class="row g-3 align-items-center">
+    <div class="row g-3 align-items-center" v-if="!manualMode">
       <div class="col-auto">
         <input name="searchTerm" class="input form-control" placeholder="book title to search" @keypress.enter="search"
                v-model="searchTerm" type="text"/>
+
       </div>
       <div class="col-auto">
         <button class="btn btn-info" @click="search">Szukaj</button>
       </div>
     </div>
+    <div class="row mt-4" v-if="!manualMode">
+      <div class="col-auto">
+        <a class="link-primary cursor-pointer" @click="manualMode=true">Let me fill in data manually</a>
+      </div>
+    </div>
     <div v-if="selectedBook && selectedBook.cover_url.small">
       <img :src="selectedBook.cover_url.small" class="img-thumbnail"/>
     </div>
@@ -23,7 +29,7 @@
     </div>
     <h1 v-else>Oh no 😢</h1>
 
-    <div v-show="manualMode" >
+    <div v-show="manualMode">
       <slot></slot>
       <BookForm></BookForm>
     </div>
diff --git a/src/Controller/BookController.php b/src/Controller/BookController.php
index 5e74c69..a3ba35a 100644
--- a/src/Controller/BookController.php
+++ b/src/Controller/BookController.php
@@ -30,7 +30,7 @@ class BookController extends AbstractController
     }
 
     #[Route('/new', name: 'app_book_new', methods: ['GET', 'POST'])]
-    public function new(Request $request, BookRepository $bookRepository): Response
+    public function new(Request $request, BookRepository $bookRepository, FileService $fileService): Response
     {
         $book = new Book();
         $form = $this->createForm(BookType::class, $book);
@@ -55,15 +55,15 @@ class BookController extends AbstractController
                 }
             }
 
-            $ebook = $request->files->get('book')['ebook'];
-            if ($ebook) {
-                $ebook->move(
-                    $this->getParameter('book_files'),
-                    'ebook_' . $book->getId() . '.' . $ebook->guessClientExtension()
-                );
+            /** @var UploadedFile[] $ebooks */
+            $ebooks = $request->files->get('book')['ebook'];
+            if (count($ebooks) > 0) {
+                foreach ($ebooks as $ebook) {
+                    $fileService->saveFile($ebook, $book);
+                }
             }
 
-            return $this->redirectToRoute('app_book_index', [], Response::HTTP_SEE_OTHER);
+            return $this->redirectToRoute('app_book_index', status: Response::HTTP_SEE_OTHER);
         }
 
         return $this->renderForm('book/new.html.twig', [
@@ -87,8 +87,12 @@ class BookController extends AbstractController
     }
 
     #[Route('/{id}', name: 'app_book_show', methods: ['GET', 'POST'])]
-    public function show(Book $book, Request $request, FileRepository $fileRepository, FileService $fileService): Response
-    {
+    public function show(
+        Book $book,
+        Request $request,
+        FileRepository $fileRepository,
+        FileService $fileService
+    ): Response {
         $fileForm = $this->createForm(FileType::class);
         $fileForm->handleRequest($request);
 
@@ -150,7 +154,7 @@ class BookController extends AbstractController
         ]);
     }
 
-    #[Route('/{id}', name: 'app_book_delete', methods: ['POST'])]
+    #[Route('/{id}/delete', name: 'app_book_delete', methods: ['POST'])]
     public function delete(
         Request $request,
         Book $book,
@@ -162,6 +166,6 @@ class BookController extends AbstractController
             $bookRepository->remove($book, true);
         }
 
-        return $this->redirectToRoute('app_book_index', [], Response::HTTP_SEE_OTHER);
+        return $this->redirectToRoute('app_book_index', status: Response::HTTP_SEE_OTHER);
     }
 }
diff --git a/src/Controller/FileController.php b/src/Controller/FileController.php
index 863dcd9..dd1134c 100644
--- a/src/Controller/FileController.php
+++ b/src/Controller/FileController.php
@@ -5,6 +5,7 @@ namespace App\Controller;
 use App\Entity\Book;
 use App\Entity\File;
 use App\Repository\FileRepository;
+use App\Service\FileService;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
@@ -27,27 +28,16 @@ class FileController extends AbstractController
         Request $request,
         FileRepository $fileRepository,
         File $file,
-        Filesystem $filesystem
+        FileService $fileService
     ): Response {
-        $filePath = $this->getParameter('book_files') . '/' . 'ebook_' . $file->getBook()->getId() . '_' .
-            md5($file->getFileName()) . '.' .
-            $file->getExtension();
-        $filesystem->remove($filePath);
-
-        if (!$filesystem->exists($filePath)) {
-            $fileRepository->remove($file, 'true');
-        }
+        $fileService->removeFiles($file);
+        $fileRepository->remove($file, 'true');
         return $this->redirect($request->headers->get('referer'));
     }
 
     #[Route('/file/{id}', name: 'app_file_download', methods: ['GET'])]
-    public function get(File $file)
+    public function get(File $file, FileService $fileService)
     {
-        return $this->file(
-            $this->getParameter('book_files') . '/' . 'ebook_' . $file->getBook()->getId() . '_' .
-            md5($file->getFileName()) . '.' .
-            $file->getExtension(),
-            $file->getFileName()
-        );
+        return $this->file($fileService->getFilePath($file), $file->getFileName());
     }
 }
diff --git a/src/Service/FileService.php b/src/Service/FileService.php
index da13b7a..ed3e1df 100644
--- a/src/Service/FileService.php
+++ b/src/Service/FileService.php
@@ -5,6 +5,7 @@ namespace App\Service;
 use App\Entity\Book;
 use App\Entity\File;
 use App\Repository\FileRepository;
+use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
@@ -23,11 +24,15 @@ class FileService
     }
 
     /**
-     * @param Collection $files
+     * @param Collection|File $files
      * @return void
      */
-    public function removeFiles(Collection $files)
+    public function removeFiles(Collection|File $files)
     {
+        if (!$files instanceof Collection) {
+            $files = new ArrayCollection([$files]);
+        }
+
         foreach ($files as $file) {
             $this->fileSystem->remove($this->getFilePath($file));
         }
diff --git a/templates/base.html.twig b/templates/base.html.twig
index e033052..203ff9c 100644
--- a/templates/base.html.twig
+++ b/templates/base.html.twig
@@ -15,6 +15,48 @@
     {% endblock %}
 </head>
 <body>
+
+<nav class="navbar navbar-expand-lg navbar-light bg-light">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="{{ path('app_book_index') }}">Biblio</a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent"
+                aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarSupportedContent">
+            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+                <li class="nav-item">
+                    <a class="nav-link active" aria-current="page" href="{{ path('app_book_index') }}">Home</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="#">Link</a>
+                </li>
+                <li class="nav-item dropdown">
+                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button"
+                       data-bs-toggle="dropdown" aria-expanded="false">
+                        Dropdown
+                    </a>
+                    <ul class="dropdown-menu" aria-labelledby="navbarDropdown">
+                        <li><a class="dropdown-item" href="#">Action</a></li>
+                        <li><a class="dropdown-item" href="#">Another action</a></li>
+                        <li>
+                            <hr class="dropdown-divider">
+                        </li>
+                        <li><a class="dropdown-item" href="#">Something else here</a></li>
+                    </ul>
+                </li>
+                <li class="nav-item">
+                    <a href="{{ path('app_book_new') }}" class="btn btn-primary">Add new book</a>
+                </li>
+            </ul>
+            <form class="d-flex">
+                <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
+                <button class="btn btn-outline-success" type="submit">Search</button>
+            </form>
+        </div>
+    </div>
+</nav>
+
 <div class="container">
     {% block body %}{% endblock %}
 </div>
diff --git a/templates/book/index.html.twig b/templates/book/index.html.twig
index 5aba8bf..98a38e9 100644
--- a/templates/book/index.html.twig
+++ b/templates/book/index.html.twig
@@ -5,10 +5,10 @@
 {% block body %}
     <div class="d-flex flex-row justify-content-between align-items-center">
         <div>
-            <h1>Book index</h1>
+            <h1>Book list</h1>
         </div>
         <div>
-            <a href="{{ path('app_book_new') }}" class="btn btn-primary">Create new</a>
+            <a href="{{ path('app_book_new') }}" class="btn btn-primary">Add new</a>
         </div>
     </div>
 
diff --git a/templates/book/new.html.twig b/templates/book/new.html.twig
index dc7fda8..83d61cc 100644
--- a/templates/book/new.html.twig
+++ b/templates/book/new.html.twig
@@ -3,7 +3,7 @@
 {% block title %}New Book{% endblock %}
 
 {% block body %}
-    <h1>Create new Book</h1>
+    <h1>Add new book</h1>
     <div id="app">
         <book>
             {{ include('book/_form.html.twig') }}