Jigsaw Sudoku vol. 4: 160 very twisted puzzles (Volume 4)
DJAPE is the author of over 40 puzzle books and a dozen of puzzle games for Amazon Kindle, ranging from Sudoku variants such as Killer Sudoku and Samurai Sudoku to Kakuro, TriDoku, Hidoku, CalcuDoku and Picross/Hanjie/Griddlers/Nonograms puzzles.  Also, Djape contributes regularly to newspapers and magazines across the globe, includingThe Washington Post. Currently Djape is working on hisPhDthesis inComputer Science. Likessailing, dancing tango, playingbridgeand traveling.