Written to join the Hebrew Torah, or the first five books of the Old Testament, the Book of Psalms is a remarkable collection of poems from David, Moses, and other Jewish writers.
Take one look at Psalms makes it clear that it is much more than enlightening literature: it too is God's Word with equal importance like the Torah. The Psalms also carry an excellent order throughout its chapters and is separated into five main books. Each book carries a specific theme complete with its own introduction, key points, and endnotes.
Through the Psalms, we learn about the importance of prayer and the acknowledgment of pain, as well as the power of praise and fulfillment of prophecy. Note how the Psalms correspond particularly well with Isaiah, Zechariah, and God's covenant with David in Chapter 7 of 2 Samuel.