Books in the Super Quad Samurai Sudoku Books series

Super Quad Sudoku Samurai4 Samurai Sudoku puzzles, with 5 normal sudoku grids each, making for a total of 13 overlapping sudoku grids in each puzzle... and there are 75 of them!But wait... that''s not all. The final 5 puzzles are TOTALLY CRAZY, also Quad Samurai but in MULTI SUDOKU or LOCO SUDOKU style.This books comes from Djape, the author who has been supplying Sudoku Samurai puzzles for The Washington Post since 2005. Are you up for the new challenge? GET READY, HAVE FUN, ENJOY AND GOOD LUCK!