Reformation Heritage Bible Doctrine Series includes two books for younger children, two for older children, and three volumes for teens and young adults. The children’s series teaches Reformed Bible doctrine through lesson text, vocabulary lists, catechism questions with answers to memorize, Scripture text, and “What Do You Think? sections. The three-volume teen and young adult series contains explanations of all major biblical doctrines. The books use example stories, illustrations, charts, discussion questions, vocabulary terms and definitions, and answers to memorize. Review questions and application are included at the end of each chapter.