Stay With Me by Garret Freymann-Weyr

This beautifully written novel explores how Leila's life changes after her half-sister, Rebecca, commits suicide. While she wasn't very close to Rebecca, Leila's life is impacted by her sister's death, as well as by the effects of Rebecca's death on the rest of her family. Haunted by why Rebecca felt it was necessary to end her life, Leila attempts to solve the big mystery of why Rebecca committed suicide and discovers many things about herself along the way. This poignant story is about family, love, and self-discovery.