A spellbook is a collection of spells, rituals, and magical instructions used by practitioners of magic, such as wizards and witches. It serves as a guide for casting spells, often containing detailed descriptions of ingredients, incantations, and the effects of each spell. Spellbooks can vary in complexity, from simple guides for beginners to elaborate tomes for advanced practitioners. In many fantasy settings, such as in the world of Dungeons & Dragons or the Harry Potter series, spellbooks are essential tools for characters who wield magic. They often reflect the personality and style of the user, showcasing their unique approach to magic and the spells they have mastered.