Living in a Step-Family Without Getting Stepped onLiving in a Step Family Without Getting Stepped on When two families unite, they don't blend, they collide, says Dr. Kevin Leman, bestselling author of The New Birth Order Book. But he also believes, "You can blend a family without breaking it. The principles in this book will help you wage the battle of blending your family and come up not only a survivor but a winner!" By understanding the impact that birth order has on each family member, parents