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David Derbes

6 books

220 pages paperback

nonfiction mathematics science informative medium-paced

220 pages hardcover

nonfiction mathematics science

289 pages hardcover

nonfiction science

350 pages 2007

nonfiction mathematics science informative medium-paced

1196 pages hardcover

nonfiction history science medium-paced

223 pages hardcover 2022 user-added

nonfiction science