"A sinister cabal of superior writers."
DJAPE is a nickname of Predrag Stanojevic, who grew up in Belgrade, Serbia where he lives now; however, he has traveled a bit and has lived in the US and Australia for three years. He is the author of many Sudoku, Hanjie, CalcuDoku and Hidoku puzzle books and magazines.
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Numerical puzzles that are the most prominent successor to Sudoku.
Sudoku is still alive, but are its derivatives taking over?
