Robert L. Weber

5 books

nonfiction science challenging informative medium-paced

224 pages | first published 1982

nonfiction science funny informative lighthearted slow-paced

138 pages | first published 1973

nonfiction self help informative medium-paced

256 pages

nonfiction science medium-paced

340 pages

nonfiction science funny informative fast-paced

206 pages | first published 1973

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