Super Sudoku Quad Samurai and variations: 99 Overlapping Sudoku Puzzles, 13 Sudoku Grids in Each Puzzle (Super Quad Samurai Sudoku Books)
The Massive Book of Picross Hanjie Griddlers Nonograms: New edition - Over 600 puzzles! (Big Books of Picross or Nonograms Puzzles)
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