Tara Road  by Maeve Binchy

72 of 101
Tara Road
993 pages; Bantam/Dell
By a chance phone call, Ria meets Marilyn, a woman from New England unable to come to terms with her only son's death and now separated from her husband. The two women exchange houses for the summer with extraordinary consequences, each learning that the other has a deep secret that can never be revealed.
Featured in Oprah's Book Club 1999