00710nam a2200181 a 450000500170000000800410001705000190005824500210007726000360009830000330013444000400016750000270020752001810023465000370041565000260045265000290047871000210050720230110143239.0050801s2002    cc a   j      000 0 eng d00aT48b.H74 200200aHow things work.  aChina :bTime-Life Asia,c2002.  a87 p. :bcol. ill. ;c31 cm. 2aA Child's first library of learning  aIll. on lining papers.  aQuestions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devices work. Includes charts, diagrams, and an activities section. 0aTechnologyxJuvenile literature. 1aQuestions and answers 1aTechnologyxMiscellanea.2 aTime-Life Books.