If you're raising an only child, here are some great resources to get you started!
Recommended Reading
Jane Annunziata and Marc Nemeroff,
Why Am I an Only Child?, for ages 4-8.
Nancy Carlson,
Louanne Pig in the Perfect Family, 1999, for ages 4-8.
Susan Newman,
Parenting an Only Child - The Joys and Challenges of Raising Your One and Only, for parents.
Carl E. Pickhardt,
Keys to Parenting the Only Child, for parents.
Informative Websites
Only Child - site for "Only Child," a quarterly publication for parents and only children of all ages.
Kid Source - important information on why more parents are choosing to have only one child and emotional issues for only children.
Personality Research - research on only children