Hi! We are going to use an older textbook because the new ones are horribly expensive. I will give you important new developments in lectures. Here is the book. I found it for $4 with free shipping all day long. If you can get the Virtual Lab CDrom that is a bonus but it is not required.
Title: Sensation and Perception, 8th Ed.
Author: E. Bruce Goldstein
Publisher: Cengage Learning
ISBN: 978-0-495-60149-4