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

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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 memoirist is the author with the black cover. 2. The mystery writer is somewhere to the left of the author with the black cover. 3. The mystery writer is the author with the green cover. 4. The mystery writer is the author with the cloth-bound edition. 5. The author with the hardback is Petrova. 6. The cookbook writer is the author with the spiral-bound edition. 7. The author with the blue cover is immediately to the left of the memoirist. 8. Tanaka is somewhere to the left of Lindqvist. 9. Petrova is immediately to the left of the cookbook writer. 10. The memoirist is the author with the hardback. 11. The author with the leather-bound edition is Moreau.

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 “Moreau” end up at? Answer with the number.

Hints

Solution

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