Books like The Sister Pact

A suicide pact was supposed to keep them together, but a broken promise tore them apartAllie is devastated when her older sister commits suicide - and not just because she misses her. Allie feels betrayed. The two made a pact that they'd always be together, in life, and in death, but Leah broke her promise and Allie needs to know why. Her parents hover. Her friends try to support her. And Nick, sweet Nick, keeps calling and flirting. Their sympathy only intensifies her grief. But the more she clings to Leah, the more secrets surface. Allie's not sure which is more distressing: discovering the truth behind her sister's death or facing her new reality without her.