"Questions for the First - Last Half of the Christian Year" by William Reed Huntington delves into the significance of key events in the life of Jesus, particularly focusing on the Transfiguration. The book explores the lessons learned from this pivotal moment, the impact on the disciples' faith, and the connection between the Old and New Testaments. Through a series of questions related to the Old Testament figures and events, readers are guided to deepen their understanding of biblical teachings and the prophetic nature of the text.