6. (a) Into what separate volumes has the book of Psalms been divided? (b) Who apparently arranged the book of Psalms into final form?
6 From ancient times, the book of Psalms has been divided into five separate books, or volumes, as follows: (1) Psalms 1-41; (2) Psalms 42-72; (3) Psalms 73-89; (4) Psalms 90-106; (5) Psalms 107-150.
... 8. Explain and illustrate the acrostic style of composition.
8 A very special style of composition is employed in nine psalms; it is called acrostic because of its alphabetic structure. (Psalms 9, 10, 25, 34, 37, 111, 112, 119, and Ps 145)