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

Verified— unique solution

zebra

Four shelves stand in a row, numbered 1 to 4 from left to right. Each holds exactly one of each attribute, and no attribute repeats. Work out the full arrangement from these clues: 1. The author with the paperback is Petrova. 2. Moreau is directly next to the author with the spiral-bound edition. 3. The poet is the author with the spiral-bound edition. 4. The memoirist is Okafor. 5. The historian is the author with the cloth-bound edition. 6. The cookbook writer is immediately to the right of Tanaka. 7. The author with the hardback is directly next to Petrova.

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 arrangement, which numbered shelf (1–4) does “Tanaka” end up at? Answer with the number.

Hints

Solution

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