Everything that we experience depends on sensing and perceiving. Specialized receptors for the five senses - hearing, seeing, smelling, tasting, and touching - capture information from chemical compounds, compressed air, electromagnetic waves, mechanical sensations, and more. From that information, our brain creates an impression of the world around us. "Sensation and Perception" focuses on how these systems work, from the mechanics of individual cells to the interactions of thousands of cells in the brain. This book also delves into how our sensory capabilities change with age or damage....

As Ron Ward watches his first novel reach the best-seller list, his joy quickly turns to terror when a madman gets involved. For some mysterious reason, a killer starts pushing Ron's book up the list by taking out the competition. Quickly, Ron's loved ones come under attack, and the killer taunts his trackers with codes and high-tech tips. Although Ron and his friends solve one clue after another, the killer stays just out of reach. As the chase continues, Ron fights a personal demon-a death caused years before when he lost his grip. As he learns, the strength of his grip-no matter how...