30 days to a more powerful vocabulary /
[by] Wilfred Funk & Norman Lewis.
- Newly rev. by Norman Lewis.
- Pocket Books, [1971].
- ix, 244 p. : ill. ; 18 cm.
- A Kangaroo book .
"First revised Pocket Books printing April, 1971."
Includes index.
0671530313
7294340
Vocabulary. English language--Glossaries, vocabularies, etc.