Clue 3

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Across
  1. 2. Piled up neatly, like books on a shelf (6 letters)
  2. 3. Concealed or not easily seen (6 letters)
  3. 5. Home for novels and knowledge (9 letters)
Down
  1. 1. The opposite of above (10 letters)
  2. 2. Tales told in pages or spoken aloud (7 letters)
  3. 4. Another word for glance or gaze (4 letters)
  4. 6. Something unexpected, often delightful (multiple) (9 letters)