The illustrated science and invention encyclopedia : how it works.
- international ed.
- 21 v. : col. ill. ; 26 cm.
Volume I: Abacus, Archaeological techniques.
Science--Encyclopedias.
Technology--Encyclopedias.
Inventions--Encyclopedias.
Encyclopedias and dictionaries.
Volume I: Abacus, Archaeological techniques.
Science--Encyclopedias.
Technology--Encyclopedias.
Inventions--Encyclopedias.
Encyclopedias and dictionaries.