odoo_/cat_app/views/book_view.xml

<odoo>
    <record id="view_form_book" model="ir.ui.view">
        <field name="name">Book Form</field>
        <field name="model">library.book</field>
        <field name="arch" type="xml">
            <form string="Book">
                <group>
                    <field name="name" />
                    <field name="author_ids" widget="many2many_tags" />
                    <field name="publisher_id" />
                    <field name="date_published" />
                    <field name="isbn" />
                    <field name="active" />
                    <field name="image" widget="image" />
                </group>
            </form>
        </field>
    </record>
</odoo>