154 Professor Layton and the mystery of stone » by Abitat Eco When Luke and Clark uncover a mysterious artefact at an archaeological dig, Luke contacts the professor, Flora, Emmy and Clive to help solve the mystery. However, when a dark being is seen lurking about and turning several people into stone, the professor and his team must solve this strange mystery, which may seem more complex than they could've ever imagined. CURRENTLY EDITING.