The Psalter is God's prayer book for His people. It contains praise and prayers for all seasons and times. This volume guides the reader through Books IV and V of the Psalms. Psalms 90-150 serve to rebuild faith and hope by reorienting God's people with the themes of God's kingship, steadfast love, and guidance through history. These psalms teach God's people to worship, to live faithfully, and to prepare for His good future wherein all creation will join God's people in praising the Lord for who He is and what He has done. By studying the Psalms, participants will be equipped and inspired to live out a moment-by-moment walk with God through the world as His witnesses.