The primary audience for this book is Sudoku players and Sudoku Setters at all levels, from beginner to expert. Each Sudoku was dynamically generated by createclassicsudoku.com using FillRemove (a guaranteed way to create a Sudoku). Example of Animated Solving Steps https://www.createclassicsudoku.com/book.jsp?i=B1mixed1Solve Example of Animated Creation Steps https://www.createclassicsudoku.com/book.jsp?i=B1mixed1Create May the book bring lots of fun and challenge to you!