Catherine MacKenzie comes from Scotland and has written several biographies for young teens in the Trailblazers series as well as other titles for younger children. She is Editor for Christian Focus’ children’s imprint, CF4Kids.Irene Howat is an award–winning author and poet who lives in Scotland. She has published many biographical books for all ages and is particularly well–known for her biographical material. She has written many books about the lives of different Christians from around the world. She has also written an autobiographical work entitled ‘Pain My Companion’. Nancy Drummond lived and ministered with her parents who were missionaries in Jamaica before beginning a career in education. She is now a wife and mother and has spent many years as a Sunday School teacher. Nancy currently serves as a teacher and leader with young adults as well as writing children's books. David Luckman is the Church Planter at Hilden Community Church in Lisburn, Northern Ireland. He is the author of ‘Adventures in the Gospels’, ‘Adventures in Acts’ and several Trail Blazer biographies. He is married to Sarah and has two daughters.