Reader's digest how is it done?
- London : The Reader's Digest Association Limited, 1990
- 448 pages : col. ill. ; 28 cm.
Curiosities and wonders.
Science--Miscellanea.
Technological innovations.
Ref. 020 R22 1990
Curiosities and wonders.
Science--Miscellanea.
Technological innovations.
Ref. 020 R22 1990