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David Penney

6 books

768 pages missing pub info (editions)

nonfiction mathematics challenging informative medium-paced

784 pages missing pub info (editions)

nonfiction mathematics challenging informative medium-paced

240 pages first pub 2015 (editions)

nonfiction history challenging informative slow-paced

missing page info missing pub info (editions)

medium-paced

missing page info missing pub info (editions)

nonfiction mathematics

432 pages missing pub info (editions)

nonfiction education mathematics informative medium-paced