Book Log In to Place HoldMore Details How things work.AuthorWorld Book, Inc.Call NumberJ 620 C (OSH)Browse similar titles by call numberPublication InformationChicago : World Book, c2000.Physical Description192 p. ; ill. (some col.) ; 26 cm.Uniform TitleChildcraft.SeriesChildcraft-- the how and why libraryNotesIncludes index.SubjectsMechanics.Technology.Machinery.Added AuthorsWorld Book, Inc.Search forAll formatsAudiobooksBooksLibrary of ThingsMagazinesMusicVideoseAudiobookeBookseLearningeMagazineseMusiceVideosSearch byKeywordAuthorSeriesSubjectTitleEnter a search termClear searchUse the classic catalog