エナビア記 [enabia ki] or 'enabia chronicle' in Japanese.
Final Fantasy Tactics

Obtain: randomly from one of the following Errands: Gariland Magick Melee, Mount Gulg Mother Lode, Zaland Embassy Antiques, Abandoned Mine, Clockwork Faire, Salvage Expedition, Zerro's Challenge, Guard Duty, Yardrow Melee, Gleddia Isle, Lettre d'Amour, Count Minimas (1), Count Minimas (2), The Durga, Endless Caverns, The Falcon, Father's Nightmare, Himca Cliffs, More Coal Miners Wanted, Ore of the Gods, Past Glory, Rhana Strait, True Romance, Zerro's Return, Zerro Strikes, Zerro Strikes Again, Appraisal, Gysahl Greens, Historic Revolt, Lionel Emissary, Second Coal Mining Expedition
Type: Artefact
Description: An account of Khus Castle in the region of Enavia. Sections of importance are penned in an ancient script, now indecipherable. The story of three sisters is documented within.
Other: in the Japanese version of the game, obtaining this item unlocks the playable sound novel Enavia Chronicles
Category: Item