"Presents information on simple machines with a focus on screws. Explains what a screw is, how screws work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.
- ISBN13 9781621274278
- Publish Date 15 August 2013 (first published 1 July 2009)
- Publish Status Active
- Publish Country US
- Imprint AV2 by Weigl
- Format Hardcover (Library Binding)
- Pages 24
- Language English