Sirens and Other Daemon Lovers

All the Penhallows wanted Aunt Becky's jug. And they all knew she'd have to leave it to someone--but who? So when perverse old Aunt Becky dies, leaving behind a sealed letter with the name of the recipient, and instructions that the letter not be opened for a year...
Yet in spite of all the quarrels it provokes, the affair of the jug also brings happiness enough to many of the clan.