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300 pages first pub 1933 (editions)

nonfiction philosophy psychology self help informative reflective medium-paced
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185 pages first pub 1973 (editions) user-added

nonfiction philosophy psychology

230 pages first pub 1933 (editions)

nonfiction philosophy psychology self help informative reflective medium-paced

180 pages first pub 1973 (editions) user-added

nonfiction philosophy