We easily recognize a loved one in a crowd of strangers, and this ability seems elementary. But how does vision actually work? How do we distinguish faces, recognize familiar objects, and navigate the terrain? How does our brain process and make sense of visual information—patches of light, contours, and colors? Harvard neuroscientist Richard Masland devoted his book to vision, from the retina of the eye to the visual centers in the temporal cortex of the brain. He talks about all aspects of vision, the structure of our eyes, the processes of perception and understanding of signals. Readers are in for a scientific journey through the laboratories of neuroscience, brilliantly presented information about the latest experiments in the field of vision and an occasion to think about how we see other people and the world around us.