Author

GridHearth Puzzles

GridHearth Puzzles is the author name on Sudoku Practice books from GridHearth Press. Playable puzzles on this site are presented by GridHearth Game.

Current work

Sudoku Practice paperbacks

Explore the current books from GridHearth Press. Each book's page has its practice focus and availability details.

Easy Sudoku Practice: Volume 1 — 180 puzzles. Paperback on Amazon.
Medium Sudoku Practice: Volume 2 — 180 puzzles. Paperback on Amazon.
Hard Sudoku Practice: Volume 3 — 180 puzzles. Paperback on Amazon.
Mixed Sudoku Practice: Volume 4 — 270 puzzles. Paperback on Amazon.

Teaching approach

Build from singles to advanced patterns

The Easy book teaches naked and hidden singles with a five-step checklist. The Hard book revisits locked candidates and pairs, then works through naked triples and X-Wings with a six-step solving loop. The website also offers practice at all three levels.

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