Casting from Text
In ArM5, magi cannot cast spells directly from books. Books of spells are actually Laboratory Texts, and contain instructions for inventing the spells, not for casting them.
The supplement Covenants did add the possibility of casting spells from a Casting Tablet, however. A casting tablet allows a magus to cast a spell, although not to learn or invent it.
The supplement Covenants did add the possibility of casting spells from a Casting Tablet, however. A casting tablet allows a magus to cast a spell, although not to learn or invent it.
Casting From Text in Previous Editions
In ArM3 and ArM4, covenants' spell books were called grimoires and magi could cast formulaic spells they didn't know by reading directly from a g
Legacy Page
The history of this page before August 6, 2010 is archived at Legacy:casting_from_text