A dazzling memoir about one woman's coexistence with bears in the boreal forest and a singular meditation on sibling loss. When Trina Moyles was five years old, her father, a wildlife biologist known in Peace River as "the bear guy," brought home an orphaned black bear cub for a night before sending it to the Calgary Zoo. This brief but unforgettable encounter spurred Trina's lifelong fascination with Ursus americanus--the most populous bear on the northern landscape, often considered a nuisance to human society. As a child roaming the shores of the Peace in the footsteps of her beloved older brother, Brendan, she understood bears to be invisible entities: always present but mostly hidden and worthy of respect. Growing up during the oil boom of the 1990s, the threats in the siblings' hard-drinking resource town were more human, dividing them from a natural reverence for the land, and eventually, from each other. After years of working for human rights organizations, Trina returned to northern Alberta for a job as a fire tower lookout, while Brendan worked in the oil sands, vulnerable to a boom-and-bust economy and substance addiction. When she was assigned to a tower in a wildlife corridor, bears were alarmingly visible and plentiful, wandering metres away on the other side of an electrified fence surrounding the tower. Over four summers, Trina begins to move beyond fear and observe the extraordinary essence of the maligned black bear--a keystone species who is as subject to the environmental consequences of the oil economy as humans. At the same time, she searches for common ground with Brendan on the land that bonded them. Impassioned and eloquent, Black Bear is a story of grief and a vision of peaceful coexistence in a divided world. It captures the fragility of our relationships with human and nonhuman species alike, and the imperative to protect the wild--along with the people we hold closest.