Resler, Tamara J., <br/><br/>
How things work :  iscover secrets and science behind medieval machines, jet packs, movie magic, and everything in between / 
 How things work then and now 
T.J. Resler. 
 - Washington, D.C. :  National Geographic,  2018. 
 - 208 pages :  color illustrations ;  31 cm. 
 - How things work .
<br/><br/> Cover title. 
<br/><br/>Includes bibliographical references (pages 200-201) index. 
<br/><br/><label>ISBN: </label>9781426331664 (hardcover) 9781426331671 (hardcover) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--History<br/>Inventions--History<br/>Technology--History
<br/><br/><label>LC Class. No.: </label>T15  / .R435T