GridHearth Puzzles / Volume 1
Paperback listed on Amazon · check delivery180 Puzzles with Two Starter Techniques, a Solving Checklist, and Complete Solutions
What the book is for
For adults who know the basic Sudoku rules and want a clear way to practice on paper. The book brings together 180 Easy 9 × 9 puzzles, two short worked examples, a reusable checklist, complete solutions, and a progress log.
Choose your delivery country to inspect the current link and details. Amazon confirms the final price, stock and delivery.
Paperback 8.5 × 11 in. 120 pages · black ink on white paper
Naked and hidden singles
A practice format with numbered solutions.
8.5 × 11 in. · numbered solutions
Inside this edition
This complete page is from the selected paperback edition. It shows a puzzle without giving away the answer.
View the excerpt at full sizeThe full paperback and answer key are not reproduced here.
Layout demonstration
This comparison shows the approximate scale used in the finished 120-page interior.
These grids illustrate relative puzzle and answer sizes. They are not extracted pages from this paperback; the exact interior page is shown above.
Inside the book
Short worked examples explain a naked single and a hidden single before the puzzle section. The checklist near the front uses the same Scan, List, Single cell, Single place, and Update and repeat sequence as our online guide.
Practice grids are large, but the answer key uses compact type. Large print is not used throughout the book.
Buying a paperback
Your choice changes the Amazon link and details shown below. This English book page stays the same.
Paperback delivery
Choose where to check the Amazon link and details. Selection does not confirm delivery.
All delivery-country details are shown below. Choose a country to focus on one option.
US
Publisher-set paperback list price observed October 6, 2026 (before tax): 9.99 USD
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.com (opens in a new tab)CA
Canada Amazon paperback price seen on October 12, 2026: C$13.99 CAD
Publisher-set paperback list price observed October 6, 2026 (before tax): 13.99 CAD
On October 12, 2026, Amazon showed stock and a purchase option for an address in Canada. Check current price, stock, and delivery before ordering.
View on Amazon.ca (opens in a new tab)GB
Publisher-set paperback list price observed October 6, 2026 (before tax): 7.99 GBP
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.co.uk (opens in a new tab)DE
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.de (opens in a new tab)FR
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.fr (opens in a new tab)ES
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.es (opens in a new tab)IT
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.it (opens in a new tab)NL
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.nl (opens in a new tab)PL
Publisher-set paperback list price observed October 6, 2026 (before tax): 37.59 PLN
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.pl (opens in a new tab)SE
Publisher-set paperback list price observed October 6, 2026 (before tax): 97.71 SEK
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.se (opens in a new tab)BE
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.com.be (opens in a new tab)IE
Publisher-set paperback list price observed October 6, 2026 (before tax): 8.66 EUR
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.ie (opens in a new tab)JP
Publisher-set paperback list price observed October 6, 2026 (before tax): 1551 JPY
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.co.jp (opens in a new tab)AU
Publisher-set paperback list price observed October 6, 2026 (before tax): 14.02 AUD
This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.com.au (opens in a new tab)TH
Final cost shown by Amazon
Use Amazon to check international delivery and the final converted cost.
Check international delivery on Amazon.com international delivery (opens in a new tab)This Amazon link lets you check delivery for your country. We have not confirmed a local price or purchase option; Amazon shows the final cost.
Check delivery on Amazon.com (opens in a new tab)Please check the current price on Amazon before ordering.
The dated list prices above are publisher settings, not live Amazon checkout quotes. Amazon determines taxes, shipping, stock, delivery, and import terms. We do not guess your delivery country from your location or the page language.
The edition
Each puzzle has one solution and can be solved using two techniques: a naked single (one number fits a cell) and a hidden single (a number fits only one place in a row, column, or box). No guessing is needed. This is guided practice, not a complete Sudoku course.