Boccobs Blessed Book

[Yogibear41]

Can a wizard/archivist multiclass use a Boccob's Blessed book as both his spellbook for wizard, and his prayer book for archivist?

[Psyren]

Though the Book itself only mentions wizards, archivists scribe spells in their prayerbooks just like wizards do. You won't find an explicit cite anywhere - Archivists are all but unmentioned outside of HoH - but I see no reason to disallow this.