A hold as the collector who asked sees it.
bookobject or nullrequiredlistingIdstring (uuid)requiredissueIdstring (uuid)requiredseriesTitlestringrequiredseriesStartYearinteger or nullrequirednumberstringrequiredpublisherstring or nullrequiredcoverUrlstring (uri) or nullrequiredisKeybooleanrequirededitionIdstring (uuid) or nullrequirededitionNamestring or nullrequiredgradenumber or nullrequiredgradingCompanyenum or nullrequiredOne ofcgccbcspsapgxegshgaother
labelTypestring or nullrequiredisSignedbooleanrequiredsignaturesarray of stringrequiredlistingStatusenumrequiredOne ofactivehiddensold_outarchived
availableintegerrequiredstoreobject or nullrequiredidstring (uuid)requirednamestringrequiredslugstringrequiredlogoPathstring or nullrequiredcitystring or nullrequiredregionstring or nullrequiredphonestring or nullrequiredholdDaysintegerrequiredmessageCountintegerrequiredunreadobjectrequirednotificationIdsarray of string (uuid)requiredmessagesintegerrequired