Daily puzzle

Library Holds

Edition #17 medium Publish date: 2026-02-01 Print
Scenario

Four readers placed holds on different genres and picked them up on different days. Use the clues to match each reader with a genre and pickup day.

Clues
  1. The reader who had History had Wednesday.
  2. The genre Science went with the pickup day Tuesday.
  3. Fantasy was not paired with Tuesday.
  4. The genre History did not go with the pickup day Tuesday.
  5. Noah did not have either Fantasy or History.
  6. Piper did not have Monday, and did not have Tuesday.
  7. Rina did not have Monday or Thursday.
  8. Tomas did not have either Mystery or Science.
  9. Tomas did not have either Mystery or Fantasy.
  10. Piper did not have Tuesday or Wednesday.
Solved

Explanation

Reveal the reasoning
  1. Begin with the cross-category links that lock two items together. Here, Clue 1, Clue 2 connect Genre, Pickup Day.
  2. Clue 1 links History (Genre) with Wednesday (Pickup Day), so those two items must belong to the same reader.
  3. Clue 2 links Science (Genre) with Tuesday (Pickup Day), so those two items must belong to the same reader.
  4. Next, apply the elimination clues to shrink rows and columns before committing to any checks.
  5. Clue 5 rules out Fantasy and History (Genre) for Noah, which forces the remaining options.
  6. Clue 6 rules out Monday and Tuesday (Pickup Day) for Piper, which forces the remaining options.
  7. Clue 7 rules out Monday and Thursday (Pickup Day) for Rina, which forces the remaining options.
  8. Whenever a reader has only one remaining option in a category, mark it as a check and cross out the rest (one-to-one). Keep propagating until every reader has exactly one match in each category.

Solution

Show solution mapping

Solve the puzzle to reveal the full mapping.

Order: Genre / Pickup Day

  • Noah -> Mystery / Monday
  • Piper -> Fantasy / Thursday
  • Rina -> Science / Tuesday
  • Tomas -> History / Wednesday

About this puzzle

  • Published: 2026-02-01
  • Tags: bookslogic-grids
  • Validation: The puzzle JSON is validated at build time and a solver verifies there is a single intended solution.
  • Corrections: If you spot an issue, contact us with the puzzle date. See the editorial policy and the contact page.

FAQ

Do I need to guess?

No. Every GridCipher puzzle is designed to be solvable by deduction alone.

What is a good first step for Library Holds?

Start with clue 1. It locks in a concrete pairing between two categories, which you can immediately mark on the grid and use to eliminate other options. For example, it pairs History with Wednesday.

How do I mark a cell?

Click or tap a cell to cycle blank -> X -> check. Use X for no and check for the confirmed match.

Yes marks 0
No marks 0
Time 00:00
Status In progress
✓ = yes ✕ = no Blank = unknown

Tip: Shift-click or right-click to clear a cell quickly.

Reader x Genre

Reader Mystery Fantasy History Science
Noah
Piper
Rina
Tomas

Reader x Pickup Day

Reader Monday Tuesday Wednesday Thursday
Noah
Piper
Rina
Tomas

Keep solving

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