TY  - BOOK
AU  - vol. 1-20. A-Z, vol. 21. index. -- content.
TI  - The New book of knowledge
SN  - 9780717205417 (set)
AV  - 0 30 
CY  - Danbury, Conn. : 
KW  - Children's encyclopedias and dictionaries
KW  - Encyclopedias and dictionaries
ER  -