Press: Lerner Publications (August 1, 2012)
Author Name:Nelson, Robin
Curious readers will discover how screwdrivers tighten screws using different kinds of tips.
A back matter spread explains how screws are simple machines used to fasten objects together.
About the Author
Robin Nelson's jobs have always kept her surrounded by books--as an elementary teacher, working at a publishing company, and working in a library.
But her favorite job is writing books for kids.
She has written more than 140 nonfiction books for children.
She lives with her family in Minneapolis.
Children's Books,Science, Nature & How It Works,Heavy Machinery
PDF Download And Online Read: What Does a Screwdriver Do? (First Step Nonfiction: Tools at Work)
Children's Books Book PDF @ 2017