Big Blue Sky Publishing
Big Blue Sky Publishing
An independent publishing house for books that are genuinely useful — on business, travel, economics, and the hobbies people fall into — and for ideas that open minds, open hearts, and add something good to the world we all share.
What we publish
Two very different books live under one sky right now: a practical travel guide for making Spain's Digital Nomad Visa make sense, and a puzzle series that teaches Sudoku one real skill at a time. More titles are already in the works.
Travel / Spain / Digital Nomad
The NO-BS Guide to Spain's Digital Nomad Visa
Live in Spain. Work from anywhere.
Dreaming of trading your daily grind for tapas, sunshine, and a life in Spain, but feeling paralyzed by the legendary Spanish bureaucracy? You aren't alone. The Digital Nomad Visa is your ticket in — if you know how to play the game.
Written by someone who actually lived through the portal crashes, the paperwork mazes, and the banking runarounds, this guide strips away the confusing legal jargon to give you a clear, chronological roadmap.
Inside, you'll discover
- The exact step-by-step framework to land in Spain as a tourist and launch your application from the inside.
- Insider hacks for setting up your finances, securing your digital footprint, and surviving "the digital battlefield."
- Real-world shortcuts that save you hundreds of euros in fees and months of agonizing delays.
Stop guessing. Start packing. Your Spanish chapter starts here.
Where to find it
Puzzle / Sudoku / Skill‑building
One Skill Sudoku
Book 1: Easy — Master naked singles, then solve it again, digitally
The skill that cracks a Sudoku grid is the same skill that cracks almost everything else — patient, pattern-spotting thinking that doesn't quit just because the first look didn't hand you the answer.
This book teaches you exactly one move: the naked single. Learn to spot it, and you can solve every puzzle inside — no guessing, no shortcuts, just clean logic. It's also the doorway skill every harder Sudoku technique builds on, so what you learn here doesn't stay here.
What's inside
- 100 puzzles, one technique, increasing difficulty.
- Every puzzle has exactly one solution — no dead ends, no guessing needed.
- Full solutions included.
Solve on paper, play it online
Scan the QR code next to any puzzle to play it online — free, no download, switch between numbers and colors anytime, and check your work the moment you're ready.
The series — one skill per book
Book 1 of 10 — Easy, then 2× Medium, 4× Hard, 3× Expert.
Where to find it
Get in touch
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