This book is necessary because cold reading is the process by which most professional acting jobs are filled, and it is in every actor's best interest to know as much as they can about it. To succeed in the business of acting, most actors will need to master a cold reading technique so that it becomes reliable and natural. Some actors will develop an effective technique of their own. Many will not. For the actor who is not comfortable with the cold reading process, there are only two options: get lucky, or get help.