Skill Builder Sudoku: Medium to Hard [Paperback]

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.Medium to Hardwill build on the skills learned in the first book,Easy to Medium, gradually introducing more advanced techniques (like jellyfish and finned X-wings) alongside puzzles designed to hone those skills, giving solvers plenty of opportunity to practice, and to build the confidence to continue on to the next volume.Frank Longocreates, fact-checks, and edits crossword puzzles, and also specializes in sudoku, having published more than 150 sudoku books. His books have sold more than 5 million copies. His wide array of titles encompasses both standard and variety sudoku puzzles, and includesPause for Puzzles: Sudoku for Midfulness, Sip & Solve Simple Sudoku, The Peaceful Mind Book of Sudoku, Blockbuster Book of Sudoku, Beyond Black Belt Sudoku, andPuzzlewright Guide to Solving Sudoku(with Peter Gordon).

Peter Gordonhas written and edited more than 50 puzzle books, with combined sales of over a million copies. From 2002 to 2008, Gordon was the crossword editor for theNew York Sun. He has written more than 120New York Timescrosswords.