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Sudoku Master Class: 144 Devilish Puzzles with Advanced Strategies - Paperback
$27.00
In stock
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Cindi Book items have a flat $9.99 shipping charge. Shopify Collective items use shipping rates set by the supplier. Orders containing items from different fulfillment sources may include more than one shipping charge. Your full shipping total is shown at checkout before payment.
Return eligibility is subject to the full policy. Opened, read, or unsealed books with broken seals or visible wear are final sale. Digital downloads, gift cards, and personalized products are non-refundable. Original shipping charges are not refunded for standard returns. Contact us within 7 days of delivery about damaged, defective, or incorrect items.
by Tom Sheldon (Author)
The perfect gift for any sudoku puzzle master!
The author of Sudoku Genius returns with 144 challenging new puzzles and a master class in the very most advanced and elegant solving methods. The logical beauty of Sudoku is laid bare in clear, easy-to-follow lessons that will take you down routes of thought that you might not have encountered before, including: - Swordfish- X-Wing
- Double Channeling
- Uniqueness Start with a Sudoku 101 refresher course in basic rules and techniques before moving up to methods formerly only whispered about in the halls of the mathematics department. By the end of this book, you will have mastered Sudoku. So what are you waiting for? "Logic has not been this fashionable since the Rubik's Cube."--ABCNews.com "The morning brain breakfast for millions."--USA Today
"Feel the rush and become addicted."--Slate
Author Biography
Tom Sheldon has degrees in artificial intelligence and bioinformatics, and is working toward a doctorate in mathematical biology, with a sideline in children's books. He lives in London with his wife and son.
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Clear Information Before You Order
Cindi Book is the trade name of Cindi Book LLC, a Texas-registered online-only retailer. We provide clear contact, shipping, return, and checkout information so customers can make informed purchasing decisions.
Business & Customer Care
Cindi Book LLC
2124 Cactus Ct, Keller, TX 76248
Administrative office only; no storefront or local pickup.
214-308-1733 · info@cindibook.com
Monday–Friday, 8:00 AM–5:00 PM CT
Shipping Transparency
Orders ship within the United States. Cindi Book branded titles typically arrive in 5–9 business days, including 0–2 business days of handling and 5–7 business days in transit. Supplier-fulfilled items typically arrive in 8–11 business days, including 1–3 business days of handling and 7–8 business days in transit. Business days are Monday–Friday, excluding U.S. federal holidays. Delivery estimates are not guarantees. Cindi Book items have a flat $9.99 shipping charge. Shopify Collective items use shipping rates set by the supplier. Orders containing items from different fulfillment sources may include more than one shipping charge. Your full shipping total is shown at checkout before payment.
Returns & Refunds
Standard U.S. returns are accepted for eligible new, unopened items within 30 days of carrier delivery. Returns are by mail. Customers are responsible for standard return shipping, there is no restocking fee, and standard exchanges are not offered. Once an approved return is received and inspected, the refund is issued to the original payment method within 5 business days. Damaged, defective, or incorrect items are handled at no return-shipping cost to the customer.
Return eligibility is subject to the full policy. Opened, read, or unsealed books with broken seals or visible wear are final sale. Digital downloads, gift cards, and personalized products are non-refundable. Original shipping charges are not refunded for standard returns. Contact us within 7 days of delivery about damaged, defective, or incorrect items.
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Some items may ship from Cindi Book or U.S.-based publishing, manufacturing, or distribution suppliers that fulfill orders for Cindi Book. Cindi Book LLC remains the customer-service contact for order questions, delivery support, returns, and refunds.