"The #1 New York Times bestselling author of Small Great Things returns with a powerful and provocative new novel about ordinary lives that intersect during a heart-stopping crisis. The warm fall day starts like any other at the Center a women's reproductive health services clinic its staff offering care to anyone who passes through its doors. Then, in late morning, a desperate and distraught gunman bursts in and opens fire, taking all inside hostage....

Offers a natural alternative to ineffective procedures and a biologically proven method of fertility control for avoiding or achieving pregnancy.