A body beneath Niagara Falls. Ten chapters of murder, secrets, and Sudoku. A storm-locked hotel. At the Clifton House Hotel above Niagara Falls, a glamorous gala is supposed to unveil a new attraction beneath the roaring water. But when developer Marcus Lorne is found dead in a sealed service tunnel below the falls, the celebration becomes a crime scene. The storm has closed the exits. The water alarms have locked the lower passages. And everyone trapped inside the hotel has a reason to lie. But this is not just a mystery to read. It is a mystery to solve. In Murder Beneath Niagara, each chapter ends with a question the story cannot answer on its own. To uncover the next clue, you must solve ten Sudoku puzzles, collect the starred digits, and decode the hidden phrase using the digit-to-letter cipher key. Read more