Martin, Ann M.,  1955- <br/><br/>
Mallory and the trouble with twins / 
Ann M. Martin. 
 - New York :  Scholastic Inc.,  c1989. 
 - 151 p. ;  20 cm. 
 - The Baby-sitters Club ;  #21 .
<br/><br/> "An Apple paperback."  "RL4"--P. [4] of cover. 
<br/><br/> Eleven-year-old Mallory finds a real challenge in babysitting for the troublesome Arnold twins. 
<br/><br/><label>ISBN: </label>9780590435079 
<br/><br/><label>LCCN: </label>98808992  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Babysitters--Fiction.<br/>Twins--Fiction.<br/>Identity (Philosophical concept)--Fiction.<br/>Friendship--Fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Young adult fiction.
<br/><br/><label>LC Class. No.: </label>CPB Box no. 951 vol. 28