ClueAxis

Case Grid 006 · Central Library · Zebra Logic Grid

The Atlas on the Wrong Shelf

At Central Library, four accounts crossed four places and four objects. Match every person to close the atlas on the wrong shelf.

Goal Use each exact clue to complete all four matches.

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People, places, and objects in The Atlas on the Wrong Shelf

At Central Library, four accounts crossed four places and four objects. Match every person to close the atlas on the wrong shelf.

People

  • Xena Cole
  • Seth Ward
  • Rina Ash
  • Umar Beck

Places

  • Map Room
  • Reading Hall
  • Book Lift
  • Closed Archive

Objects

  • Folio Case
  • Lost Atlas
  • Archive Card
  • Return Slip

Exact clues

  1. Rina Ash was assigned to Book Lift.
  2. Return Slip was not logged at Closed Archive.
  3. Seth Ward carried Return Slip.
  4. Xena Cole was not assigned to Closed Archive.
  5. Return Slip was not logged at Map Room.
  6. Rina Ash did not carry Lost Atlas.
  7. Rina Ash did not carry Archive Card.
  8. Umar Beck did not carry Archive Card.
Read the closed-case resolution

Xena Cole was matched to Map Room with Archive Card. Once that link was fixed, every remaining account in the atlas on the wrong shelf had only one possible place.

The rule in ten seconds

How to play

Exclude. Tap a blank cell once to mark an impossible match.

Confirm. Tap again to lock a match and clear its row and column.

Connect. Two linked matches automatically complete the third matrix.

Case Grid belongs to the classic Zebra-puzzle family: every clue connects categories until one complete set of matches remains.