DAILY DEDUCTION · 2026-11-05 UTC
The bookshop window · daily 3
Match the readers to the genres and arrival times. Times run from earliest to latest; every item is used exactly once.
Your deduction grid
Click or press Enter to cycle: blank → × impossible → ✓ confirmed → ? possible. Arrow keys move within a grid.
Arrival times order: 09:00 → 10:00 → 11:00 → 12:00.
Readers × Genres
| Readers | Mystery | History | Poetry | Fantasy |
|---|---|---|---|---|
| Maya | ||||
| Noah | ||||
| Eva | ||||
| Liam |
Readers × Arrival times
| Readers | 09:00 | 10:00 | 11:00 | 12:00 |
|---|---|---|---|---|
| Maya | ||||
| Noah | ||||
| Eva | ||||
| Liam |
Genres × Arrival times
| Genres | 09:00 | 10:00 | 11:00 | 12:00 |
|---|---|---|---|---|
| Mystery | ||||
| History | ||||
| Poetry | ||||
| Fantasy |
Clues
- Maya is paired with exactly one of 11:00 or 12:00.
- Fantasy is paired with exactly one of 09:00 or 11:00.
- Mystery comes immediately before Poetry in the Arrival times order.
- Eva is paired with exactly one of 10:00 or 11:00.
- Eva is paired with exactly one of Mystery or History.
- Mystery is paired with exactly one of 09:00 or 10:00.
- Noah is not paired with 09:00.
- Noah is not paired with Poetry.
Reveal the worked solution (spoilers)
One deduction at a time
Follow the numbered clues, one-to-one eliminations and cross-grid deductions. When a counterfactual is needed, its assumptions and clue-by-clue contradiction are shown.
Measured complexity: rule tier 3/4 · 48 verified grid deductions · 0 counterfactuals. Difficulty measures the rules used by this solver, not a promised completion time.
- Step 1: Clue 7: Noah is not paired with 09:00. Noah cannot be paired with 09:00.
- Step 2: Clue 8: Noah is not paired with Poetry. Noah cannot be paired with Poetry.
- Step 3: Clue 1 restricts Maya to 11:00 or 12:00. Maya cannot be paired with 09:00.
- Step 4: Clue 1 restricts Maya to 11:00 or 12:00. Maya cannot be paired with 10:00.
- Step 5: Clue 2 restricts Fantasy to 09:00 or 11:00. Fantasy cannot be paired with 10:00.
- Step 6: Clue 2 restricts Fantasy to 09:00 or 11:00. Fantasy cannot be paired with 12:00.
- Step 7: Clue 3: placing Mystery at 12:00 leaves no valid later position for Poetry at the required gap of 1. Mystery cannot be paired with 12:00.
- Step 8: Clue 3: placing Poetry at 09:00 leaves no valid earlier position for Mystery at the required gap of 1. Poetry cannot be paired with 09:00.
- Step 9: Clue 4 restricts Eva to 10:00 or 11:00. Eva cannot be paired with 09:00.
- Step 10: All other Readers choices for 09:00 have been eliminated. Liam must be paired with 09:00.
- Step 11: Liam is already matched to 09:00; each item is used once. Liam cannot be paired with 10:00.
- Step 12: Liam is already matched to 09:00; each item is used once. Liam cannot be paired with 11:00.
- Step 13: Liam is already matched to 09:00; each item is used once. Liam cannot be paired with 12:00.
- Step 14: Clue 4 restricts Eva to 10:00 or 11:00. Eva cannot be paired with 12:00.
- Step 15: Clue 5 restricts Eva to Mystery or History. Eva cannot be paired with Poetry.
- Step 16: Clue 5 restricts Eva to Mystery or History. Eva cannot be paired with Fantasy.
- Step 17: Clue 6 restricts Mystery to 09:00 or 10:00. Mystery cannot be paired with 11:00.
- Step 18: Clue 3: placing Poetry at 12:00 leaves no valid earlier position for Mystery at the required gap of 1. Poetry cannot be paired with 12:00.
- Step 19: All other Genres choices for 12:00 have been eliminated. History must be paired with 12:00.
- Step 20: History is already matched to 12:00; each item is used once. History cannot be paired with 09:00.
- Step 21: History is already matched to 12:00; each item is used once. History cannot be paired with 10:00.
- Step 22: History is already matched to 12:00; each item is used once. History cannot be paired with 11:00.
- Step 23: Maya and Mystery have no possible Arrival times item in common, so they cannot belong together. Maya cannot be paired with Mystery.
- Step 24: Eva and History have no possible Arrival times item in common, so they cannot belong together. Eva cannot be paired with History.
- Step 25: All other Genres choices for Eva have been eliminated. Eva must be paired with Mystery.
- Step 26: Mystery is already matched to Eva; each item is used once. Noah cannot be paired with Mystery.
- Step 27: Mystery is already matched to Eva; each item is used once. Liam cannot be paired with Mystery.
- Step 28: Liam and History have no possible Arrival times item in common, so they cannot belong together. Liam cannot be paired with History.
- Step 29: Liam and Poetry have no possible Arrival times item in common, so they cannot belong together. Liam cannot be paired with Poetry.
- Step 30: All other Readers choices for Poetry have been eliminated. Maya must be paired with Poetry.
- Step 31: Maya is already matched to Poetry; each item is used once. Maya cannot be paired with History.
- Step 32: Maya is already matched to Poetry; each item is used once. Maya cannot be paired with Fantasy.
- Step 33: All other Readers choices for History have been eliminated. Noah must be paired with History.
- Step 34: Noah is already matched to History; each item is used once. Noah cannot be paired with Fantasy.
- Step 35: All other Genres choices for Liam have been eliminated. Liam must be paired with Fantasy.
- Step 36: Maya and 12:00 have no possible Genres item in common, so they cannot belong together. Maya cannot be paired with 12:00.
- Step 37: All other Arrival times choices for Maya have been eliminated. Maya must be paired with 11:00.
- Step 38: 11:00 is already matched to Maya; each item is used once. Noah cannot be paired with 11:00.
- Step 39: All other Readers choices for 12:00 have been eliminated. Noah must be paired with 12:00.
- Step 40: Noah is already matched to 12:00; each item is used once. Noah cannot be paired with 10:00.
- Step 41: All other Readers choices for 10:00 have been eliminated. Eva must be paired with 10:00.
- Step 42: Eva is already matched to 10:00; each item is used once. Eva cannot be paired with 11:00.
- Step 43: Mystery and 09:00 have no possible Readers item in common, so they cannot belong together. Mystery cannot be paired with 09:00.
- Step 44: All other Arrival times choices for Mystery have been eliminated. Mystery must be paired with 10:00.
- Step 45: 10:00 is already matched to Mystery; each item is used once. Poetry cannot be paired with 10:00.
- Step 46: All other Arrival times choices for Poetry have been eliminated. Poetry must be paired with 11:00.
- Step 47: All other Genres choices for 09:00 have been eliminated. Fantasy must be paired with 09:00.
- Step 48: Fantasy is already matched to 09:00; each item is used once. Fantasy cannot be paired with 11:00.
Answer key
Maya · Poetry · 11:00
Noah · History · 12:00
Eva · Mystery · 10:00
Liam · Fantasy · 09:00
A different, prevalidated puzzle is released at 00:00 UTC. Your streak uses consecutive UTC completion dates on this device. Archive play does not repair a missed day. The current schedule runs through 2027-12-07; it never wraps or repeats.