The Book in Praise of David's Great Works is a Grimoire in the Campione! series.
A book of magic which contains powerful spells capable of slaying gods and angels. The first Grimoire created by humans and not Heretic Gods to be shown in the series, it seems to contain spells based on the Bible, including Erica's Spell Words of Golgatha and Liliana's Song of the Bow.
The Book was at one time under the guardianship of Saint Raffaello, but has since been passed to her disciple.
- The title suggests that all the spells within it will be based specifically off the Book of Psalms in the Bible.
- The Book in Praise of David's Great Works is the first Grimoire that is an actual spellbook shown in the series.