library/library_app/security/ir.model.access.csv

id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
access_book_user	BookUser	model_library_book	library_group_user	1	0	0	0
access_book_manager	BookManager	model_library_book	library_group_manager	1	1	1	1