Anderson, Mary. <br/><br/>
Matilda's masterpiece / 
[by] Mary Anderson ; ill. by Sal Murdorca. 
 - New York :  Atheneum,  1977. 
 - 168 p. :  ill. 
<br/><br/> When she practically witnesses the theft of a valuable painting, twelve-year-old Mattie does her own detective work to trap the thief. 
<br/><br/><label>ISBN: </label>0689305656 
<br/><br/><label>LCCN: </label>76040981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery fiction.
<br/><br/><label>Dewey Class. No.: </label>Fic