The Four Shelves: Okafor, Moreau, Tanaka, and Vásquez

Verified— unique solution

logic grid

Four authors — Okafor, Moreau, Tanaka, and Vásquez — each have exactly one cover colour, bookmark, and binding, and no two share any of them. Match each author to their cover colour, bookmark, and binding from these clues: 1. Moreau is not the author with the paperback. 2. The author whose book holds a receipt is the author with the cloth-bound edition. 3. The author with the gold cover is the author whose book holds a pressed leaf. 4. Vásquez is not the author with the white cover. 5. The author whose book holds a pressed leaf is the author with the paperback. 6. The author whose book holds a feather is the author with the spiral-bound edition. 7. Okafor is not the author with the spiral-bound edition. 8. The author with the white cover is the author with the spiral-bound edition. 9. Okafor is not the author with the cloth-bound edition. 10. The author with the blue cover is the author whose book holds a receipt. 11. Okafor is not the author whose book holds a pressed leaf. 12. Moreau is not the author whose book holds a feather.

Hints

Hint 1

Hint 2

Hint 3

Solution

Commit an attempt to unseal the proof. Write your answer — right or wrong, thinking it through is the point.

In the final matching, which cover colour goes with “Vásquez”? Answer with just the cover colour.

Hints

Solution

Comments