Is it heredity or environment that shapes the dog? Researchers J.P. Scott and John L. Fuller, authors of Genetics and Social Behavior of the Dog, bred and cross

"Dogs have been mankind's faithful companions for tens of thousands of years, yet today they are regularly treated as either pack-following wolves or furry huma

Explains about "critical periods" of socialization and other developmental milestones that help create a temperamentally sound dog.