Yesterday's Doll
Cora Taylor
Paperback
(Scholastic, March 15, 1990)
Young Meg is staying at her granmother's house while recovering from rheumatic fever. Her grandmother gives her an old doll, and whenever Meg falls asleep with the doll, she is transported back in time, to a covered wagon traveling west, and she is part of another family in this time period. When she falls asleep with the doll, she is back to present time. Meg learns that the doll is giving her a choice whenther about whether to stay in the historic time in order to change a family's history, or to stay in the present time.