The Wicked, a free Singapore-made Internet-based logic puzzle devised by SMU student Tay Wei Kiat has garnered 150,000 views since 2006. SMU Assistant Professor of Philosophy Mark Nowacki, who is also founder of the LogicMills School of Thinking, will release his second book on the number puzzle Shady Puzzle, which he designed in 2005 to teach students logic thinking. my paper Chinese will publish one version of the Shady Puzzle every Thursday for its readers.