Authors

Paul Yeulett is the pastor of Shrewsbury Evangelical Church in Shrewsbury, England. He graduated from Highland Theological College and is ordained in the Evangelical Presbyterian Church in England and Wales. Previously he studied mathematics at Newcastle University and taught high-school math for eleven years. He and his wife, Ruth, have three children.

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.