How Many Tomorrows?

Phoebe Vaughn was desperate. She would do anything for her younger sister. Even hold Calvin Prescott at gunpoint and demand that his pharmaceutical company supply the costly drug that could save Pat Vaughn's life. Phoebe's outrageous tactics won Cal's cooperation, but he won her heart. And even when they'd succeeded, when Pat was on her way to full recovery, how much more would Phoebe have to sacrifice to ensure her sister's happiness? Pat's devotion to Cal was growing with each passing day. Would Phoebe have to surrender Cal, or confront her beloved sister and claim her right to discover a happiness of her very own?