Michael and Debi Pearl have been happily married since 1971 and have five happily married adult children and a growing number of grandchildren. They are the authors of To Train Up a Child, which has sold over 670,000 in English and Spanish and has been translated into several other languages including Russian, Chinese, Arabic, and German. Between them, they have authored over thirty titles creating total sales of more than a million books. They are the founders of No Greater Joy Ministries (NGJ) and publishers of the free bi-monthly NGJ Magazine.