Explain the concept of 'Grover's Algorithm' and its implication for database search speedup, but you must strictly use the metaphor of a 'giant, enchanted library.' Do not use technical jargon like 'superposition,' 'amplitude,' or 'qubit' without immediately mapping them to elements within the library metaphor (e.g., 'the books exist in multiple aisles at once'). Ensure the explanation clarifies why it provides a quadratic speedup over classical searching methods. Conclude with the limitations of this magic library compared to a real quantum computer.