Critical Periods of Socialization for a Puppy
http://web.archive.org/web/20070807193839/http://www.coldsteelpits.com/coldsteelpuppysocialization.html

Books to Read
Puppy Training, Dog Training and General Dog Information:

The Culture Clash
by Jean Donaldson

Parenting Your Dog
by Trish King

A Pack of Two
by Carolina Knapp

The Other End of the Leash
by Patricia B. McConnell, Ph.D

Beginning Family Dog Training
by Patricia B. McConnell, Ph.D

Puppy Primer
by Brenda Scidmore and Patricia B. McConnell, Ph.D

The Dog Whisperer
by Paul Owens

Calming Signals (What Your Dog Tells You)
by Turid Rugaas

The Canine Good Citizen
Jack and Wendy Volhard

Puppy Training for Kids
by Sarah Whitehead