Young adult books ghost and memories

Twenties Girl: the spirit of Lara's great-aunt Sadie-a feisty, demanding girl with firm ideas about fashion, love, and the right way to dance-mysteriously appears, she has one request: Lara must find a missing necklace that had been in Sadie's possession for more than seventy-five years, because Sadie cannot rest without it. Remember Me?:Having survived an accident Lexi has lost a big chunk of her memory, and she’s about to find out just how much things have changed Hard cover BR0220GB00