Issue #104: how to send an email and parse the content

docs/book/v5/tutorials/create-book-module.md

@@ -560,13 +560,6 @@ class BookHandler extends AbstractHandler implements RequestHandlerInterface
         return $this->createResponse($request, $book);
     }
 
-    public function getCollection(ServerRequestInterface $request): ResponseInterface
-    {
-        $books = $this->bookService->getRepository()->getBooks($request->getQueryParams());
-
-        return $this->createResponse($request, $books);
-    }
-
     public function post(ServerRequestInterface $request): ResponseInterface
     {
         $inputFilter = (new BookInputFilter())->setData($request->getParsedBody());
@@ -661,7 +654,7 @@ class RoutesDelegator
 
         $app->get(
             '/book/' . $uuid,
-            BookCollection::class,
+            BookHandler::class,
             'book.show'
         );