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print run
Edition No. 0 · Winter series
The complete set
All twelve puzzle types, only together. Three books in a paper band, ready to give, or to keep for yourself.
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Choose
Giving it for Christmas? We'll email a printable gift card to put under the tree.
Shipping
Pre-order. We ship worldwide from Ukraine by tracked post starting [ship date], in order of purchase, except to Russia and Belarus. Delivery usually takes 7–14 days to the US and the EU.
Duties & currency
Your country may charge import duties on arrival; they're paid by the recipient. Your card is charged in Ukrainian hryvnia at the dollar equivalent, so your statement may differ slightly.
What's inside
Twelve puzzle types across the series, many of them our own designs. Sudoku is in every book; the rest are split between the three. Each type climbs through 3–4 levels, and every puzzle is checked by hand to have exactly one solution. Answers live behind a QR code, so no spoilers.
Returns
Within 14 days of delivery, as long as no puzzles have been solved. Damaged in transit? Send us a photo and we'll replace it for free.
Specs
Next series
A new series every season.
Four small books a year: December, March, June, September. Leave your email, and we'll only write when the next one is ready.