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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
Boost your brainpower with fun and addicting sudoku puzzles! This book includes 162 classic sudoku puzzles The puzzles become increasingly challenging as the book progresses Sudoku grids are large, easy to read, and simple to fill out Check your work with the answer key at the back of the book Spiral binding allows the book to lay flat while in use 192 pages Whether you are new to sudoku or craving a fresh challenge, this sudoku book will give your brain a healthy workout!
⚠️ 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.
