00987cam a2200241 4500 1855547888 TxAuBib 20130131120000.0 110920s2012||||||||||||||||||||||||eng|u 2011038908 9781609051891 hbk. $16.99 1609051890 hbk. $16.99 DLC DLC TnLvILS-sr TxAuBib Ernst, Lisa Campbell. How things work in the house / Lisa Campbell Ernst. 1st ed. Maplewood, NJ : Blue Apple Books, 2012. 1 v. (unpaged) : col. ill. ; 25 cm. Profiles a range of common household objects--from soap and scissors to keys and toilets--to explain the basic principles of how they function. 20130131. Home economics Equipment and supplies Juvenile literature. Home economics Equipment and supplies.