grimoire; book of magic
A book containing magical knowledge, spells, or rituals, often in fantasy settings.
He opened the old grimoire and chanted a spell.
Common kanji spelling; 導 (guide, lead) is widely used in fantasy contexts.
Alternate spelling using 道 (way, path); also seen in fiction.
Compound of 魔 (ma, 'demon, magic') + 導 (dō, 'guide, lead') or 道 (dō, 'way, path') + 書 (sho, 'book'). The exact historical derivation is uncertain; the spelling 魔導書 is common in modern fantasy.