CIPHER  9
Night Shift cover
Cipher 9 Sudoku · Vol.03

Night Shift

180 Sudoku Grids — Hard

180

Puzzles

236

Pages

Hard

Difficulty

About this book

Night Shift is the volume for solvers who want to be challenged — and have the stamina for it. 180 hard grids, the most in any Cipher 9 volume. No shortcuts, no hand-holding. Just you, a pencil, and grids that demand your full attention. Built for late-night sessions and long commutes.

Perfect for:Adults

Buyer Fit

Who this book is for

  • Sudoku solvers who want a clean paper session
  • Adults who want focused puzzle time
  • Gift buyers looking for a polished puzzle book
  • Experienced solvers ready for a sharper challenge

Volume Identity

What makes this volume different

  • Hard stage in the Cipher 9 Sudoku progression
  • 180 grids sized for this difficulty level
  • One puzzle per page keeps the solving experience clean
  • Checkpoint pages help track progress through the volume

Specifications

Formatpaperback
Pages236
Trim Size8.5 x 11 in
PaperWhite paper
Puzzles180
Puzzle TypeSudoku
DifficultyHard
LanguageEnglish
ASINB0GXRL3MQF

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 Cipher 9 Sudoku

View series →
Vol.01
First Contact

100 Sudoku Grids — Entry Level

DifficultyBeginner

Puzzles100

StatusAvailable now

Price$10.99

Vol.02
Deep Run

Intermediate Sudoku

DifficultyIntermediate

Puzzles150

StatusAvailable now

Price$12.99

Vol.03Current
Night Shift

180 Sudoku Grids — Hard

DifficultyHard

Puzzles180

StatusAvailable now

Price$13.99

Vol.04
Split Protocol

Expert Sudoku

DifficultyExpert

Puzzles150

StatusAvailable now

Price$13.99

Vol.05
Ghost Grid

Master Level

DifficultyMaster

Puzzles75

StatusAvailable now

Price$11.99

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