Rex Forehand & Nicholas Long 
Parenting the Strong-Willed Child, Revised and Updated Edition: The Clinically Proven Five-Week Program for Parents of Two- to Six-Year-Olds [PDF ebook] 

The bestselling five-week program to improving the disruptive child’s behavior–now updated and revised Based on more than 40 years of collective research, parents and longtime child behavior experts Dr. Rex Forehand and Dr. Nicholas Long have devised a program to help you find positive and manageable solutions to your child’s difficult behavior. Now in a revised and updated edition, Parenting the Strong-Willed Child is a self-guided program for managing disruptive young children based on a clinical treatment program.This hands-on guide provides you with a step-by-step, five-week program toward improving your child’s behavior as well as the entire family’s relationship. Providing you with the necessary tools for successfully managing the difficult child, the book covers specific factors that cause or contribute to a child’s disruptive behavior; ways to develop a more positive atmosphere in your family and home; actual reports by parents of difficult children; strategies for managing specific behavior problems; how to tell if your child might have ADHD; and more.