Songs Without Words/Ann Packer

From www.bn.com:

Synopsis

Liz and Sarabeth were girlhood neighbors in the suburbs of Northern California, brought as close as sisters by the suicide of Sarabeth's mother. In the decades that followed, their relationship remained a source of continuity and strength. But when Liz's adolescent daughter enters dangerous waters, the women's friendship takes a devastating turn, forcing Liz and Sarabeth to question their most deeply held beliefs about their connection. From the bestselling author of The Dive from Clausen's Pier, Songs Without Words is the gripping story of a lifelong friendship pushed to the breaking point.