Sona. <br/><br/>
Aunt Jo's book of inventions and discoveries /' 
Written and illustrted by Sona and Jacob. -- 
 - 16 pages :  24cm. 
<br/><br/> Grade School 
<br/><br/><label>ISBN: </label>8179041433 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions and discoveries.
<br/><br/><label>Dewey Class. No.: </label>372.35/So57