Authors

Edward J. Young (ThB, ThM, Westminster Theological Seminary; PhD, Dropsie College of Hebrew and Cognate Learning) taught Old Testament at Westminster Theological Seminary from 1936 until his sudden death in 1968. He was respected around the world for his depth of research, his reading knowledge of thirty or more languages, and his faithful interpretation of the inerrant Word of God. Among his published works were his Commentary on Isaiah, The Prophecy of Daniel, Introduction to the Old Testament, and Thy Word Is Truth.

Anees Zaka (DMin, Westminster Theological Seminary) is the founder and director of Church without Walls and founder and president of the Biblical Institute for Islamic Studies, both in Philadelphia, Pennsylvania. He is coauthor of Muslims and Christians at the Table. 

Geoffrey M. Ziegler (PhD, Wheaton College) is senior pastor of Trinity Presbyterian Church (PCA) in Hinsdale, Illinois.

Daniel R. Zuidema (PhD, Wake Forest University) is professor of chemistry and chair of the chemistry department at Covenant College in Lookout Mountain, Georgia, where he has taught since 2005.

Samuel M. Zwemer (1867–1952) became professor of missions at Princeton Theological Seminary in 1929. This followed a career as a missionary in the Middle East, where he spread the gospel among Muslims. He wrote more than fifty books, most of them about Islam.

Abigail van der Velde was born and raised in North Carolina, lived in New York City, and then married a Dutchman and moved to the Netherlands, where she lived for eight years. With previous experience in journalism and editing, she now writes fiction. Johanna and Henriette Kuyper is her first novel.