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Detectograms and other puzzles / by H.A. Ripley and F. Gregory Hartswick.

By: Contributor(s): Material type: TextTextPublication details: New York : Bell Pub. Co. : Distributed by Crown Publishers, 1983, c1968.Description: 96 p. : illISBN:
  • 0517402998
Subject(s): DDC classification:
  • 793.73
Contents:
Detectograms / by H.A. Ripley -- Puzzles / by F. Gregory Hartswick -- Answers to detectograms -- Answers to puzzles.
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Reprint. Originally published: New York : Scholastic Book Services, c1968.

Detectograms / by H.A. Ripley -- Puzzles / by F. Gregory Hartswick -- Answers to detectograms -- Answers to puzzles.

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