Move over, Da Vinci! Here comes a code-breaking challenge based on today’s hottest puzzle craze—and every reader who solves the mystery wins a prize! But it’s not easy: First you have to complete 200 puzzles arranged in levels of difficulty from “Easy” to “Cruel.” Each of 100 numerical sudoku puzzles is paired with a “wordoku” puzzle using letters instead of numbers, and based on a key word or phrase. The combined answers to these puzzle pairs lead to a message containing a set of instructions. Unravel the instructions, and at last the solution appears. Solvers who follow this trail of clues to the end can proudly claim their prize: a button that’s inscribed, “I cracked the Sudoku Code!”Notice