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320 pages first pub 2001 (editions)

nonfiction mathematics science adventurous lighthearted medium-paced
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320 pages first pub 2001 (editions)

nonfiction mathematics science adventurous lighthearted medium-paced

320 pages first pub 2001 (editions)

nonfiction mathematics science adventurous lighthearted medium-paced

301 pages first pub 2001 (editions)

nonfiction mathematics science adventurous lighthearted medium-paced

431 pages first pub 2001 (editions)

nonfiction mathematics science adventurous lighthearted medium-paced

missing page info first pub 2001 (editions)

nonfiction mathematics science adventurous lighthearted medium-paced