The Theological Wordbook of the Old Testament 2 Vol. Set by R Laird Harris is a comprehensive textbook on Biblical Studies, specifically focused on the Old Testament. Published by Moody Publishers, this hardcover set includes 1800 pages of in-depth analysis and commentary on the religious language and concepts found within the Old Testament. Written by renowned authors Harris, Gleason L. Archer Jr., and Bruce K. Waltke, this textbook set is a valuable resource for students and scholars of theology and biblical studies.