GridHearth Puzzles · Purchase availability being confirmed

Mixed Sudoku Practice: Volume 4

270 Puzzles from Easy to Hard with a Mixed Final Challenge and Complete Solutions

Front cover of Mixed Sudoku Practice: Volume 4

Paperback listed on Amazon · check stock and delivery

Paperback · 8.5 × 11 inches · 192 pages · black ink on white paper

Complete the four-phase path

Start with 80 Easy puzzles, continue through 80 Medium and 80 Hard puzzles, then finish with 30 Mixed challenges. The Mixed practice pages keep each puzzle's level hidden; its numbered answer reveals the level and unlocking technique.

Eight worked examples explain the techniques before the practice sections. A progress overview follows the opening page of each phase, and complete solutions follow its puzzles.

Puzzles
270 total · two per practice page
Levels
80 Easy · 80 Medium · 80 Hard · 30 Mixed
Instruction
Eight worked examples and a six-step solving loop
Solutions
Complete numbered answer grids after each phase
Availability
The listing is live. Check current stock, price, and delivery for your country on Amazon.
Paperback ISBN
9798177537672
Amazon ASIN
B0HL8LL8TG

Inside the book

Practice, notice, place, repeat

The worked pages cover Singles, Locked Candidates, Pairs, a Naked Triple, and an X-Wing. Each phase builds on the earlier techniques, while the Mixed finish asks you to decide which approach fits the puzzle.

Practice grids leave room for pencil notes. Answer grids are compact. This is not a large-print book.

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Publisher-set paperback list price before tax: 12.99 USD

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