It's spellcasting ability is intelligence. Attack Bonus: +3 Spell Save: DC 13
Antimagic Susceptibility: The book is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the book must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute. False Appearance: While the book remains motionless and isn't flying, it is indistinguishable from a normal book. Magic Resistance: The book has advantage on saving throws against spells and other magical effects.
Spell Surge. The book casts two spells, at least one of which must be at will.
Spell Capture. When the book takes damage from a spell, it can use its reaction to reduce the damage by 1d10+3. If it reduces the damage to 0, it captures the spell and can choose to immediately cast that spell on another creature using its own spell save DC and attack bonuses. If the book does not cast the spell, the spell is lost.
A spell tome that has been animated to fight on it's creator's behalf. They are capable of using the spells inscribed within them, but are without sentience, being only able to follow simple orders.