CIPHER  9
SHARP LOGIC cover
Quiet Grid Sudoku · Vol.04

SHARP LOGIC

180 LARGE PRINT GRIDS / HARD

180

Puzzles

218

Pages

Hard

Difficulty

About this book

Sharp Logic is built for the moment when familiar moves stop being enough. The puzzles are still clean, still readable, but the margin for guessing is gone. This is the volume for solvers who want a sharper edge without losing the calm beauty of the page.

Perfect for:Adults

// Buyer Fit

Who this book is for

  • Sudoku solvers who want a clean paper session
  • Readers who want large print pages
  • Adults who want focused puzzle time
  • Gift buyers looking for a polished puzzle book

// Volume Identity

What makes this volume different

  • Vol.04 in the Quiet Grid daily-practice ladder
  • Cream paper supports a calmer page feel
  • Large print Sudoku grids give each page room to breathe
  • 180 hard puzzles tuned for this step

// Specifications

Formatpaperback
Pages218
Trim Size8.5 x 11 in
PaperCream paper
Puzzles180
Puzzle TypeSudoku
DifficultyHard
LanguageEnglish
ASINB0H1JG9W2W

// Inside the Book

Preview the pages

Cover and interior samples from the current book files.

Cover
Title page
Rules
Puzzle page
Checkpoint
Solutions
Sample solution

// Series Ladder

Compare volumes in Quiet Grid Sudoku

View series →
Vol.01
CLEAR START

160 LARGE PRINT GRIDS / EASY

DifficultyEasy

Puzzles160

StatusAvailable now

Price$15.99

Vol.02
DAILY FLOW

180 LARGE PRINT GRIDS / EASY TO MEDIUM

DifficultyEasy

Puzzles180

StatusAvailable now

Price$16.99

Vol.03
DEEP FOCUS

200 LARGE PRINT GRIDS / MEDIUM

DifficultyIntermediate

Puzzles200

StatusAvailable now

Price$17.99

Vol.04Current
SHARP LOGIC

180 LARGE PRINT GRIDS / HARD

DifficultyHard

Puzzles180

StatusAvailable now

Price$17.99

Vol.05
FINAL SILENCE

120 LARGE PRINT GRIDS / EXPERT

DifficultyMaster

Puzzles120

StatusAvailable now

Price$15.99