Chapter 1: The Invisible Math

My name is Bridget Summers. I am thirty-four years old.

My family finally unraveled on a damp Tuesday morning in early April. I came down the main staircase, the old pine steps groaning beneath my boots, and entered the kitchen. My mother sat at the center island, one hand around a steaming mug of dark roast and the other pinning a glossy real estate listing to the butcher block counter.