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Paul E. Lehr

8 books

160 pages missing pub info (editions)

nonfiction nature reference informative slow-paced

missing page info first pub 2001 (editions)

informative slow-paced

160 pages first pub 1957 (editions)

163 pages first pub 2001 (editions)

nonfiction reference informative slow-paced

160 pages first pub 1957 (editions)

nonfiction science

160 pages first pub 1957 (editions)

nonfiction nature reference science informative reflective slow-paced

160 pages first pub 1977 (editions)

nonfiction nature reference science informative medium-paced

160 pages first pub 1977 (editions)

nonfiction nature reference science informative medium-paced