From two-time Newbery medalist Lois Lowry comes this warm and resonant story of an unlikely friendship, which unfolds as a revelation on how we hold on to--and pass on--what matters most. Everyone knows the two Sophies are best friends. One is in elementary school, and one is . . . well . . . in a little trouble of late. She's elderly, sure, but she's always been on her game, the best friend any girl struggling to fit in could ever have...