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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Immerse Yourself In The Simple Elegance Of Classic Sudoku.In This Book, Prolific Sudoku Creator Frank Longo Provides 100 Classic Sudoku, All From Easy To Medium Difficulty, In Three Different Sizes. Most Of The Book Features Standard 9X9 Puzzles, But Any Time YouD Like To Spend A Little More Time In The World Of Sudoku, Try One Of The ExtraLarge 10X10 Or 12X12 Puzzles! The Difficulty Levels Are The Same, But The Expanded Grids Provide A Refreshingly Different Feel.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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support@ergodebooks.com
⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
