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

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. Vásquez is immediately to the left of the author whose book holds a ticket stub. 2. Vásquez is the author whose book holds a ribbon bookmark. 3. Vásquez is the author with the green cover. 4. The author whose book holds a postcard is directly next to the author with the green cover. 5. Tanaka is the author whose book holds a ticket stub. 6. Tanaka is the author with the white cover. 7. The author with the red cover is directly next to the author with the white cover. 8. Petrova is the author with the red cover.

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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