内容简介
IfSudokuisdifficult,justwait?totryKillerSudoku.ThenextstepupfromnormalSudoku,theKillerpuzzlesusethesamegridasSudokuandrequirethereadertofillinthenumbers?oneto?nineasbefore.Butthistimethenumbersintheoutlinedboxesmustalsoalladduptoaspecificnumber.Alreadyhugelypopularinthenationalpress,thepuzzlesareamustforSudokufans.Withfivedifficultyratings,fromveryeasytodeadly,the100brand-newKillerSudokupuzzlesinthisbookwillprovideachallengetothemostardentSudokuaddict.