As an adjunct to counseling there are many useful books and websites that may be of assistance to you. Here is a list of many resources that I find useful.
Books
Communication
• Nonviolent Communication: A Language of Life by Marshall Rosenberg
• The 7 Principles for Making Marriage Work by John Gottman
Bereavement & Loss
• Unattended Sorrow: Recovering from Loss by Stephen Levine
• I Wasn’t Ready to Say Goodbye by Pamela Blair & Brook Noel
• The Way of Transition by William Bridges
Parenting
• Blending Families by Elaine Shimberg
• Step Parenting by Jeannette Lofas
• Helping Children Cope With Divorce by Edward Teyber
Relationships
• Codependency No More by Melody Beattie
• The Intimacy Factor by Pia Mellody
• Undefended Love by Jett Psaris & Marlena Lyons
• The 5 Languages of Love by Gary Chapman
• The Good Marriage by Judith Wallerstein and Sandra Blakeslee
• How to be an Adult in Relationships by David Richo
• Free Yourself from an Abusive Relationship: 7 Steps to Taking Back Your Life by Andrea Lisette & Richard Kraus
• Women Who Love Too Much by Robin Norwood
• After the Affair by Janis Spring
• Rebuilding When Your Relationship Ends by Bruce Fischer & Robert Alberti
• Coming Apart by Daphne Kingma
• Claiming Your Self Esteem by Carolyn Ball
Anxiety
• Panic to Power by Lucinda Basset
• Feel the Fear and Do It Anyway by Susan Jeffers
Depression
• Breaking the Patterns of Depression by Michael Yapko
• Feeling Good by David Burns
WEBSITES
Center for Internet Addiction
Substance Abuse and Mental Health Association Prevention
Substance Abuse and Mental Health Association Treatment
Calm Clinic
American Psychological Association
MedlinePlus