In the early months of 2020, the world’s attention was riveted on Australia, where the nation’s iconic wildlife fought for survival in the face of unprecedented wildfires. Images of koalas drinking from firefighters’ water bottles went viral and became the global face of a catastrophe that would kill as many as three billion animals. Known as the Black Summer, the fire season was responsible for more wildlife deaths and near-extinctions than any other single event in Australian history. Flames of Extinction, written by a journalist at the heart of this news coverage, is the first book...