MADGWICK, Wendy <br/><br/>
Inventions : Questions And Answers 

 - 1 
 - 40 hlm.  ilus.  28 cm 
<br/><br/><label>ISBN: </label>0-7534-0796-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>0
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Grade 7-9
<br/><br/><label>Dewey Class. No.: </label>500.3