One in five American children has trouble reading. In Overcoming Dyslexia, Dr. Sally Shaywitz, codirector of the Yale Center for the Study of Learning and Attention and a leader in the new research into how the brain works, offers the latest information about reading problems and proven, practical techniques that, along with hard work and the right help, can enable anyone to overcome them. Here are the tools that parents and teachers need to help the dyslexic child, age by age, grade by grade, step by step.