Key insights into birth order help readers understand themselves and improve their marriage, parenting, and career skills.

In his first book The Birth Order Effect, Cliff Isaacson took over where Alfred Adler left offùchallenging and expanding on traditional birth order theory, and

Middle children are underachievers, overshadowed and overlooked, right? Wrong. Combining research in evolutionary biology, psychology and sociology with real-li

A fascinating new approach to sibling psychology focuses on birth order, offering readers a simple quiz to determine where they fit in the family pecking order

There are many factors affecting a child’s personality and the adult they become, but the least understood is birth order. Why is it that children in a family