Books by Kenneth Kelsey

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The Ultimate Number Puzzles image

The Ultimate Number Puzzles

Author(s): Kenneth Kelsey
ISBN-13: 9780091772048
Publisher: Cresset
Released: Jan 01, 1992
Format: Paperback, 480 pages
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The ultimate book of number puzzles image

The ultimate book of number puzzles

Author(s): Kenneth Kelsey
ISBN-13: 9780880299206
Publisher: Barnes&Noble
Released: Jan 01, 1996
Format: Hardcover, 170 pages
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