"From fish to mammals and plants to insects, every organism on Earth must reproduce, and the survival of each species-and of life itself-depends on this and on the diversity it creates. In this groundbreaking book, Katherine Roy distills the science of reproduction into its simplest components: organisms must meet, merge their DNA, and grow new individuals; and she thoughtfully highlights the astonishing variety of this process with examples from across the natural world, from ferns and butterflies to trout, hawks, rabbits, and more"--