Sudoku 1000 Very Hard Puzzles: Geisha Series Book

Addicted to Sudoku? With 1,000 puzzles in this Geisha Series book by Katsumi this is the perfect book for some serious sudoku solving.

Book 4 in this series contains all very hard puzzles for advanced players. Four puzzles per page gives plenty of space for notes and all the solutions are printed at the end of the book.

Turn off the television and burn up some brain power instead!