3Readers develop their deduction skills in an interactive way through this engaging collection of brain-training puzzles. Each activity is explained clearly, and readers are able to independently check their results with a helpful answer key. Colorful illustrations and a bright design captivate readers as they make their way through games, puzzles, and other activities that are created to challenge them without intimidating them. Each set of activities is color-coded based on skill level to help readers choose the right ones for them. Deduction is an essential critical thinking component, and readers are sure to have fun strengthening this skill.