Inventions and discoveries. 

 - 64 p. :  col. ill. ;  28 cm. 
 - A look at ... .
<br/><br/>Includes bibliographical references (p. 63) and index. 
<br/><br/> "An introduction to inventions and discoveries from ancient to modern times, including how they were developed and their effects on society. Features include fact boxes, illustrations, period photographs, a timeline, a glossary, and a list of recommended books and websites"--Provided by publisher. 
<br/><br/> Grade School 
<br/><br/><label>ISBN: </label>9780716617907 
<br/><br/><label>LCCN: </label>2011006434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--History--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>T15  / .I5775 2011 
<br/><br/><label>Dewey Class. No.: </label>609/In896