Echo of Extinction In the late 2030s, seventeen-year-old Echo Musashi has everything, and nothing. As an heir to the multi-billion-dollar Musashi technology fortune the world is at her fingertips, but as the world's first and only biologically-engineered human being she is feared, outcast, and distrusted. Harboring a strained relationship with her older sister, and the resentment of her school, Echo's only friend is a machine-intelligence named...