She had tried substitution. She had tried elimination. She had multiplied, subtracted, and rearranged until the numbers blurred. Her eraser had worn thin, and the margins were filled with crossed-out ghosts of solutions. Finally, she shoved the booklet away. "I can't," she whispered.

For the first time, Mira didn't feel like a fraud. She felt like an apprentice watching a master carpenter reveal joints and grain. She copied nothing. Instead, she covered the solution with a sticky note and tried again. When she stumbled, she peeled back the note, read only the first question, and resumed.

She received a perfect score. Her teacher wrote in red: "I see you've stopped struggling and started understanding."

"I don't want the answers," she said. "That's cheating."

That evening, her mother placed a new book on Mira’s desk. It was slender, unassuming, bound in crimson cardstock. The gold lettering read: Kumon I Solution Book . Mira recoiled.