{{ book.lvl1.title }} {{ book.lvl2.title }} {{ book.lvl3.title }}
{{ trans.year }} {{ book.year }} {{ trans.age }} {{ book.age }}
{{ trans.author }} {{ trans.authors }} {{ book.authors.join(', ') }}
{{ trans.editor }} {{ trans.editors }} {{ book.editors.join(', ') }}
{{ trans.support }} {{ book.support }}
{{ trans.langue }} {{ trans.langues }} {{ book.langs.join(', ') }}