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David Helvarg

9 books

352 pages 2013

nonfiction education history nature travel informative slow-paced

384 pages 2009

nonfiction history informative slow-paced

304 pages 2010

nonfiction memoir reflective slow-paced

304 pages paperback

nonfiction autobiography biography memoir reflective slow-paced

336 pages paperback 2006

nonfiction informative medium-paced

377 pages digital 2006

missing page info 2001

medium-paced

400 pages paperback

nonfiction nature politics science

208 pages 2006

nonfiction informative fast-paced