diff --git a/lib/decentralised_book_index/metadata/author.ex b/lib/decentralised_book_index/metadata/author.ex
index 0c7fa35..0cfdf6f 100644
--- a/lib/decentralised_book_index/metadata/author.ex
+++ b/lib/decentralised_book_index/metadata/author.ex
@@ -176,7 +176,20 @@ defmodule DecentralisedBookIndex.Metadata.Author do
 
     update :update do
       primary? true
-      accept [:name, :description, :avatar_url]
+      accept [:name, :description, :avatar_url, :author_alias_registry_id]
+      require_atomic? false
+
+      change fn changeset, _ ->
+        registry_id = Ash.Changeset.get_attribute(changeset, :author_alias_registry_id)
+
+        if registry_id == nil do
+          {:ok, registry} = DecentralisedBookIndex.Metadata.create_author_alias_registry()
+
+          Ash.Changeset.force_change_attribute(changeset, :author_alias_registry_id, registry.id)
+        else
+          changeset
+        end
+      end
     end
 
     update :assign_avatar_image do
diff --git a/lib/decentralised_book_index_web/components/my_components.ex b/lib/decentralised_book_index_web/components/my_components.ex
index dfca610..be296a1 100644
--- a/lib/decentralised_book_index_web/components/my_components.ex
+++ b/lib/decentralised_book_index_web/components/my_components.ex
@@ -31,6 +31,9 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents do
 
       alias MyComponents.SelectBookEdition
       import MyComponents.SelectedBookEdition, only: [selected_book_edition: 1]
+
+      alias MyComponents.SelectAuthorAlias
+      import MyComponents.SelectedAuthorAlias, only: [selected_author_alias: 1]
     end
   end
 end
diff --git a/lib/decentralised_book_index_web/components/my_components/select_author_alias.ex b/lib/decentralised_book_index_web/components/my_components/select_author_alias.ex
new file mode 100644
index 0000000..5d0e565
--- /dev/null
+++ b/lib/decentralised_book_index_web/components/my_components/select_author_alias.ex
@@ -0,0 +1,84 @@
+defmodule DecentralisedBookIndexWeb.Components.MyComponents.SelectAuthorAlias do
+  use DecentralisedBookIndexWeb, :live_component
+  alias DecentralisedBookIndex.Metadata
+
+  @impl true
+  def render(assigns) do
+    ~H"""
+    <div>
+      <.header>
+        Select another alias of the author
+      </.header>
+
+      <form class="flex items-center" phx-change="search" phx-target={@myself}>
+        <label for="simple-search" class="sr-only">Search</label>
+        <div class="relative w-full">
+          <div class="absolute inset-y-0 left-0 flex items-center pl-3 pointer-events-none">
+            <svg
+              aria-hidden="true"
+              class="w-5 h-5 text-gray-500 dark:text-gray-400"
+              fill="currentColor"
+              viewBox="0 0 20 20"
+              xmlns="http://www.w3.org/2000/svg"
+            >
+              <path
+                fill-rule="evenodd"
+                d="M8 4a4 4 0 100 8 4 4 0 000-8zM2 8a6 6 0 1110.89 3.476l4.817 4.817a1 1 0 01-1.414 1.414l-4.816-4.816A6 6 0 012 8z"
+                clip-rule="evenodd"
+              >
+              </path>
+            </svg>
+          </div>
+          <input
+            name="query"
+            type="text"
+            phx-debounce="300"
+            autocomplete="off"
+            id="simple-search"
+            class="block w-full p-2 pl-10 text-sm text-gray-900 border border-gray-300 rounded-lg bg-gray-50 focus:ring-primary-500 focus:border-primary-500 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-primary-500 dark:focus:border-primary-500"
+            placeholder="Search"
+            value=""
+          />
+        </div>
+      </form>
+
+      <%= for author_alias <- @page.results do %>
+        <div
+          phx-click="select-author-alias"
+          phx-target={@notify_component}
+          phx-value-author-alias={author_alias.author_alias_registry_id}
+          class="w-full bg-white border border-gray-200 rounded-lg shadow-sm dark:bg-gray-800 dark:border-gray-700 mx-auto my-3"
+        >
+          <h5 class="mb-1 text-lg font-medium text-gray-900 dark:text-white px-2 pt-1">
+            {author_alias.name}
+          </h5>
+        </div>
+      <% end %>
+    </div>
+    """
+  end
+
+  @impl true
+  def update(assigns, socket) do
+    {:ok,
+     socket
+     |> assign(assigns)
+     |> assign(:author_alias_query, "")
+     |> search()}
+  end
+
+  def handle_event("search", %{"query" => query}, socket) do
+    {:noreply,
+     socket
+     |> assign(:author_alias_query, query)
+     |> search()}
+  end
+
+  defp search(socket) do
+    query = Map.get(socket.assigns, :author_alias_query, "")
+    page = Metadata.search_author!(query)
+
+    socket
+    |> assign(page: page)
+  end
+end
diff --git a/lib/decentralised_book_index_web/components/my_components/selected_author_alias.ex b/lib/decentralised_book_index_web/components/my_components/selected_author_alias.ex
new file mode 100644
index 0000000..5c36023
--- /dev/null
+++ b/lib/decentralised_book_index_web/components/my_components/selected_author_alias.ex
@@ -0,0 +1,19 @@
+defmodule DecentralisedBookIndexWeb.Components.MyComponents.SelectedAuthorAlias do
+  use Phoenix.Component
+  use DecentralisedBookIndexWeb, :verified_routes
+
+  attr :author_alias_registry_form, :map, default: nil
+
+  def selected_author_alias(assigns) do
+    ~H"""
+    <button
+      type="button"
+      phx-click="open-select-author-alias"
+      phx-target={@notify_component}
+      class={"text-white bg-blue-700 hover:bg-blue-800 focus:outline-none focus:ring-4 focus:ring-blue-300 font-medium rounded-full text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800"}
+    >
+      Change the author alias
+    </button>
+    """
+  end
+end
diff --git a/lib/decentralised_book_index_web/live/author_live/form_component.ex b/lib/decentralised_book_index_web/live/author_live/form_component.ex
index 085758d..0536851 100644
--- a/lib/decentralised_book_index_web/live/author_live/form_component.ex
+++ b/lib/decentralised_book_index_web/live/author_live/form_component.ex
@@ -21,30 +21,20 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.FormComponent do
         <%= if @form.source.type == :create do %>
           <.input field={@form[:name]} type="text" label="Name" />
           <.input field={@form[:avatar_url]} type="text" label="Cover image url" />
-          <.input
-            field={@form[:description]}
-            type="textarea"
-            label="Description"
-          />
-          <.input
-            field={@form[:author_alias_registry_id]}
-            type="text"
-            label="Author alias registry"
-          />
+          <.input field={@form[:description]} type="textarea" label="Description" />
+          <div>
+            <.input field={@form[:author_alias_registry_id]} type="hidden" label="Author alias registry" />
+            <.selected_author_alias author_alias_registry_form={@form[:author_alias_registry_id]} notify_component={@myself} />
+          </div>
         <% end %>
         <%= if @form.source.type == :update do %>
           <.input field={@form[:name]} type="text" label="Name" />
           <.input field={@form[:avatar_url]} type="text" label="Cover image url" />
-          <.input
-            field={@form[:description]}
-            type="textarea"
-            label="Description"
-          />
-          <.input
-            field={@form[:author_alias_registry_id]}
-            type="text"
-            label="Author alias registry"
-          />
+          <.input field={@form[:description]} type="textarea" label="Description" />
+          <div>
+            <.input field={@form[:author_alias_registry_id]} type="hidden" label="Author alias registry" />
+            <.selected_author_alias author_alias_registry_form={@form[:author_alias_registry_id]} notify_component={@myself} />
+          </div>
         <% end %>
 
         <:actions>
@@ -56,6 +46,20 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.FormComponent do
           </.cancel_button>
         </:actions>
       </.simple_form>
+
+      <.modal
+        :if={@select_author_alias_open? == true}
+        id="select-author-alias-modal"
+        show
+        on_cancel={JS.push("close-select-author-alias", target: @myself)}
+      >
+        <.live_component
+          id="select-author-alias"
+          module={SelectAuthorAlias}
+          current_user={@current_user}
+          notify_component={@myself}
+        />
+      </.modal>
     </div>
     """
   end
@@ -65,6 +69,7 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.FormComponent do
     {:ok,
      socket
      |> assign(assigns)
+     |> assign(:select_author_alias_open?, false)
      |> assign_form()}
   end
 
@@ -151,4 +156,35 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.FormComponent do
       _ -> ~p"/authors"
     end
   end
+
+  def handle_event("select-author-alias", %{"author-alias" => author_alias_id}, socket) do
+    IO.inspect("book_editions_registry_id")
+    IO.inspect(author_alias_id)
+
+    socket =
+      socket
+      |> update(:form, fn form ->
+        form
+        |> AshPhoenix.Form.update_params(&Map.put(&1, "author_alias_registry_id", author_alias_id))
+      end)
+      |> assign(:select_author_alias_open?, false)
+
+    {:noreply, socket}
+  end
+
+  def handle_event("open-select-author-alias", _params, socket) do
+    socket =
+      socket
+      |> assign(:select_author_alias_open?, true)
+
+    {:noreply, socket}
+  end
+
+  def handle_event("close-select-author-alias", _params, socket) do
+    socket =
+      socket
+      |> assign(:select_author_alias_open?, false)
+
+    {:noreply, socket}
+  end
 end