The Book of Psalms is estimated to have been written between 1440 BC and 586 BC. The Book of Psalms has several different authors and the content was written over an extended period of time.
The Book of Psalms is the longest book in the Bible and takes the form of poetry that has been widely used as prayers and songs. The authors of the Psalms are thought to be as follows: David, Solomon, Asaph, sons of Korah, Heman, Ethan and Moses and a large amount was written by anonymous writers. The Psalms cover a variety of themes from praise, to faith and forgiveness.