01003cam a2200289 4500 71442790 TxAuBib 20030205120000.0 970610s1989||||||||||||||||||||||||eng|u 9780590673891 pbk. 0590673890 pbk. TxAuBib MARTIN, ANN M. Mallory and the Trouble with Twins / Ann M. Martin. New York : Scholastic, 1989. 141 p. ; 19 cm. Baby-sitters Club, The ; 21, 22, 27, 31 "An Apple paperback.". Eleven-year-old Mallory finds a real challenge in babysitting for the troublesome Arnold twins. Age 8-12. 19980527. Identity Juvenile fiction. BABYSITTERS Juvenile fiction. TWINS Juvenile fiction. FRIENDSHIP Juvenile fiction. The Baby-sitters Club ; 21, 22, 27, 31.