Read an excerpt from Shattered Silence by Melissa G. Moore.

Oprah reveals the family secret she's been keeping for months. Get the truth, straight from her.

Former child star Mackenzie Phillips reveals a shocking family secret she's hidden for 31 years. Incest, drug addiction and the arrest that made headlines. Plus, Valerie Bertinelli's surprises her former co-star.

This study guide is offered to support you in understanding the impact of secrets or lies in families or relationships. As you begin to address the secret/lie, there is nothing you need to do about it now. Acknowledgement is the first step toward healing. It is important for you to understand the costs, benefits and healing opportunities when you allow yourself to acknowledge what has been hidden.

For 25 years, The Oprah Show has reunited a lot of people. But this time, it's Oprah's turn. Hear the family secret she's been keeping for months, straight from her.