Cover of Absolutely Nasty Sudoku 4 by Frank Longo featuring a bitten apple with a worm inside, symbolizing challenging puzzles. The title is prominently displayed in bold letters.
The cover of the Absolutely Nasty Sudoku 4 book features a quirky, partially eaten apple with a worm peeking out. The title 'Absolutely Nasty Sudoku' is prominently displayed in bold font above the apple, with 'Level 4' and the author's name, Frank Longo, also included. The design emphasizes fun and challenge, appealing to puzzle enthusiasts.

Absolutely Nasty Sudoku 4

Sterling Publishing Company SKU: 23401 Barcode: 9781402743993

$9.95

Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)

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