Maule, David. <br/><br/>
Inventions that changed the world / 
David Maule. 
 - Harlow :  Pearson Education,  2008. 
 - v, 64 p. :  ill. ;  20 cm. 
 - Penguin readers. Level 4 .
 - Penguin readers.  Level 4. .
<br/><br/> "1700 headwords, intermediate"--Back cover.  Previously published: [London] : Penguin Books, 2005. 
<br/><br/><label>ISBN: </label>9781405882231 (pbk.) 
<br/><br/><label>Nat. Bib. No.: </label>GBB1D8489  bnb 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Esol easy reader level 4
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers (Secondary)<br/>Inventions.
<br/><br/><label>Dewey Class. No.: </label>428.64