Warner, Gertrude Chandler,  1890-1979. <br/><br/>
The giant yo-yo mystery  
created by Gertrude Chandler Warner ; illustrated by Robert Papp. 
 - Morton Grove, Ill. :  Albert Whitman,  2006. 
 - 124 p.  ill.  20 cm 
 - The boxcar children ;  #107 .
 - Warner, Gertrude Chandler,  1890-1979.  Boxcar children mysteries. .
<br/><br/> When the Aldens help a friend of their grandfather’s to build the world’s largest yo-yo, they soon discover that more than one person is trying to prevent them from finishing the job--and for more than one reason. 
<br/><br/><label>ISBN: </label>0807508799  3.99 9780807508794 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yo-yos--Fiction.<br/>World records--Fiction.<br/>Brothers and sisters--Fiction.<br/>Orphans--Fiction.<br/>Mystery and detective stories.
<br/><br/><label>LC Class. No.: </label>PZ7.W244  / Gk 2006 
<br/><br/><label>Dewey Class. No.: </label>[Fic]