Joan and her four-year-old son, Lincoln, are at thezoo near closing time. As they approach the exit, she sees bodieson the ground and a man with a gun entering a bathroom.Retreating into the maze of the zoo and its myriad of exhibitsand enclosures, Joan finds a, hopefully, perfect hiding place. Butas time passes and Lincoln gets hungry and restless, Joan mustbecome proactive to protect them both. The time starts each chapter, with the wholebook taking place over the course of three hours. Joan’s voice gives shape to her andLincoln’s lives, but readers also get other perspectives, including one of the shooters. Phillips manages to combine beautiful imagery with heart-pounding, nerve-frayingintensity.