CIPHER  9

VOL.01 FIRST CONTACT

100 sudoku grids.
9 rules.
Zero instructions.

Entry level. Do not underestimate.

Paperback • $14.99 • Ships worldwide

CIPHER 9 VOL.01 First Contact — puzzle book cover

// THE SERIES

CIPHER 9 VOL.01 FIRST CONTACT cover
VOL.01first contact
LIVE
→ Amazon
CIPHER 9 VOL.02 DEEP RUN cover
VOL.02deep run
LIVE
→ Amazon
CIPHER 9 VOL.03 NIGHT SHIFT cover
VOL.03night shift
coming
VOL.04split protocol
coming
VOL.05ghost grid
coming

// INSIDE

CIPHER 9 VOL.01 title page
Title page
The 9 rules
9 rules. Nothing more.
Sample 9×9 sudoku grid
Standard 9×9 grid
Checkpoint page
Progress checkpoints
Solutions section opening
Solutions section

// WHAT THIS IS

For people who see puzzles as a test, not a pastime.

Cipher 9 publishes books where aesthetics meet challenge. No hand-holding. No filler. No excuse to not finish.

Each volume a statement piece. Shelf-worthy, not trash.

// WHAT THIS ISN'T

  • Not a starter pack for beginners
  • Not a tutorial or guide
  • Not a gift for casual players
  • Not a collection of filler puzzles

Cipher 9 Books is part of Cipher 9,
an independent creative publisher.

Explore Cipher 9 →