Twenties Girl by Sophie Kinsella
A delightfully funny novel involving a British girl’s connection to her recently deceased great-aunt. Not having known her very well in life, Lara is stunned when Aunt Sadie’s ghost makes contact with her during her own funeral, demanding Lara’s help finding a beloved necklace. Since Lara is the only one who can hear Aunt Sadie, it makes for some hilarious and ultimately heart-warming moments.