Screws All Around, , North Star Editions, Trudy Becker,Children’s / Teenage general interest: Machines and how things work,Children’s / Teenage general interest: Science and technology, bottle caps; faucets; lightbulbs; ball point pens; lifting heavy objects; science and technology; easy physics; simple machines for kids; technology books for kids; science books for kids; kids nonfiction; juvenile nonfiction; grades 1 and 2,, Using Simple Machines, United States, en-UShttps://northstareditions.combottle caps; faucets; lightbulbs; ball point pens; lifting heavy objects; science and technology; easy physics; simple machines for kids; technology books for kids; science books for kids; kids nonfiction; juvenile nonfiction; grades 1 and 2, [BLURB],[CITY],,books, ebooks, biblet, Book2look