Discovering a break-up letter to an unnamed recipient months after the death of her sister, grieving sixteen-year-old Juniper resolves to discover the identity of the person her sister was writing to in the hope of finding closure.

Eighteen-year-old twins Adina and Tovah have little in common besides their ambitious nature. Viola prodigy Adina yearns to become a soloist--and to convince her music teacher he wants her the way she wants him. Overachiever Tovah awaits her acceptance to Johns Hopkins, the first step on her path toward med school and a career as a surgeon. But one thing could wreck their carefully planned futures: a genetic test for Huntington's, a rare degenerative...