A series you collect: how many of its issues you have.
seriesobjectrequiredidstring (uuid)requiredtitlestringrequiredslugstringrequiredstartYearinteger or nullrequiredpublisherNamestring or nullrequiredcoverUrlstring (uri) or nullrequiredcatalogIssuesintegerrequiredownedIssuesintegerrequiredwishlistIssuesintegerrequiredmissingIssuesintegerrequiredcompletebooleanrequiredotherCurrencyCopiesintegerrequiredCopies valued in another currency, left out of value.
lastAddedAtstring (date-time) or nullrequired