Skill Builder Sudoku: Easy to Medium

Build up your sudoku skills from easy to expert! In this three-book series, each book helps solvers build their skills to get from one level to the next. Puzzles will start out in Easy to Medium with sudoku that need only the most basic techniques (such as scanning, one-choice, and elimination), along with tutorials and strategy tips for those techniques, so solvers are always ready for what comes next.