diff --git a/test/decentralised_book_index/metadata/forms/author_form_test.exs b/test/decentralised_book_index/metadata/forms/author_form_test.exs
new file mode 100644
index 0000000..07e0065
--- /dev/null
+++ b/test/decentralised_book_index/metadata/forms/author_form_test.exs
@@ -0,0 +1,43 @@
+defmodule DecentralisedBookIndex.Metadata.Forms.AuthorFormTest do
+  use DecentralisedBookIndex.DataCase, async: true
+
+  alias DecentralisedBookIndex.Metadata
+
+  describe "create new author via the form" do
+    test "just name and description" do
+      user = generate(user())
+      valid_params = %{
+        "name" => "Oleh",
+        "description" => "A cool author",
+      }
+
+      form = \
+        AshPhoenix.Form.for_create(Metadata.Author, :create,
+          as: "author",
+          actor: user
+        )
+
+      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+    end
+  end
+
+  describe "update existing author via the form" do
+    test "update author's name" do
+      user = generate(user())
+      author = generate(author())
+
+      valid_params = %{
+        "name" => "Another Oleh",
+        "description" => "A cool author",
+      }
+
+      form =
+        AshPhoenix.Form.for_update(author, :update,
+          as: "author",
+          actor: user
+        )
+
+      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+    end
+  end
+end
diff --git a/test/decentralised_book_index/metadata/forms/book_form_test.exs b/test/decentralised_book_index/metadata/forms/book_form_test.exs
new file mode 100644
index 0000000..88f7d11
--- /dev/null
+++ b/test/decentralised_book_index/metadata/forms/book_form_test.exs
@@ -0,0 +1,72 @@
+defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
+  use DecentralisedBookIndex.DataCase, async: true
+
+  alias DecentralisedBookIndex.Metadata
+
+  describe "create new book via the form" do
+    test "just name and description" do
+      user = generate(user())
+      bids = bids(actor: user)
+      author_roles = author_roles(actor: user)
+
+      valid_params = %{
+        "title" => "Book",
+        "description" => "A cool author",
+        "format" => "Paper",
+        "language" => "English",
+        "page_count" => 600,
+        "published" => ~D[2025-03-06],
+        "author_roles" => author_roles,
+        "bids" => bids
+      }
+
+      form = \
+        AshPhoenix.Form.for_create(Metadata.Book, :create,
+          as: "book",
+          actor: user
+        )
+
+      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+    end
+  end
+
+  describe "update existing book via the form" do
+    test "update name" do
+      user = generate(user())
+      book = generate(book())
+
+      valid_params = %{
+        "title" => "Another Book",
+        "description" => "A cool book",
+      }
+
+      form =
+        AshPhoenix.Form.for_update(book, :update,
+          as: "book",
+          actor: user
+        )
+
+      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+    end
+
+    test "update bids and authors" do
+      user = generate(user())
+      book = generate(book())
+      bids = bids(actor: user)
+      author_roles = author_roles(actor: user)
+
+      valid_params = %{
+        "author_roles" => author_roles,
+        "bids" => bids
+      }
+
+      form =
+        AshPhoenix.Form.for_update(book, :update,
+          as: "book",
+          actor: user
+        )
+
+      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+    end
+  end
+end