create models

my_library/models/library_book.py

@@ -0,0 +1,11 @@
+from odoo import models, fields
+
+
+class LibraryBook(models.Model):
+    _name = 'library.book'
+    name = fields.Char('Title', required=True)
+    date_release = fields.Date('Release Date')
+    author_ids = fields.Many2many(
+        'res.partner',
+        string='Authors'
+    )