What Does a Screwdriver Do by Robin Nelson aLerner Publications Company Minneapolis
What tool is this 2
What Does a Screwdriver Do?
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 This Book
By: Robin Nelson
Illustrated by:
Published by: Lerner Publications an imprint of Lerner Publishing Group
