Martin, Ann M.,   1955- <br/><br/>
Claudia and the great search 

 - Milwaukee :   Gareth Stevens Pub.,   1995 
 - 147 p.  
 - The baby-sitters club ;  #33 .
<br/><br/> Thirteen-year-old Claudia concludes that she is adopted since she sees no resemblance between herself and her brainy older sister whom she rivals. 
<br/><br/><label>ISBN: </label>9780836814132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adoption--Fiction<br/>Sibling rivalry--Fiction<br/>Sisters--Fiction<br/>Babysitters--Fiction