The Magic Ball Rule — Kenneth Wright

In a world governed by strict logic and predictable outcomes, Elara's life is one of quiet desperation. But everything changes on her twenty-fifth birthday when a mysterious, tarnished silver sphere-a Magic Ball-rolls to her feet. It comes with a single, cryptic rule: Ask a yes-or-no question, spin the ball, and it will answer truly. But you may not like the truth it reveals.