Hard Sudoku for Experts

🧩 For solvers who find easy sudoku, well, easy. One hundred and fifty genuinely hard puzzles — minimal starting clues, every one still guaranteed to have a single solution. Bring your pencil and your patience. 🎯 WHAT'S INSIDE • 150 hard and very-hard sudoku • Minimal clues — a proper challenge • Every puzzle verified to have one solution • Two grids per page • Complete solutions section 🖨️ FORMAT & PRINTING • Instant digital download — US Letter (8.5 x 11 in) PDF • Full solutions section at the back • Print at home or at a print shop, as many copies as you like • Also lovely to solve on a tablet with a stylus 📝 HOW IT WORKS 1. Purchase and instantly download your PDF 2. Print the whole book, or just the pages you fancy 3. Solve with a pencil and a cup of something nice 4. Check the solutions section when you are done 💖 PERFECT FOR • Experienced sudoku solvers • Anyone bored of easy puzzles • A challenging gift for a puzzle fan • Long flights and quiet evenings ⬇️ INSTANT DOWNLOAD: Files are available immediately after purchase. No physical item will be shipped. ⚠️ Because this is a digital product, all sales are final — no refunds, exchanges or returns. For personal use only; may not be resold or redistributed.