TY  - BOOK
AU  - Nation, Paul
TI  - 4000 essential English words 1
SN  - 9781599664026
AV  - PE1128 
PY  - 2009///
CY  - Texas
PB  - Compass Publishing, Inc.
KW  - English language -- Textbooks for foreign speakers
KW  - Reading comprehension -- Problems, exercises, etc
KW  - Vocabulary -- Problems, exercises, etc
ER  -