Títulos Alternativos: DE: Der Brief der Perlenprinzessin | US: A Letter from the Pearl Princess | IT: La lettera dalla Principessa Perla | JP: 真珠姫からの手紙 | CN: 来自珍珠公主的信 | TW/HK: 來自珍珠公主的信 | KR: 진주 공주님이 보낸 편지 | RO: O scrisoare de la Prințesa Perlelor | TH: จดหมายจากเจ้าหญิงไข่มุก | MAL: Mushikaburi-hime | ALT: Princess of the Bibliophile | JA: 虫かぶり姫 | EN: Bibliophile Princess