Mary Anne saves the day /
Ann M. Martin.
- New York : Scholastic, c1987.
- 167 p. ; 20 cm.
- The Baby-sitters club ; #4 .
- Martin, Ann M., 1955- Baby-sitters club ; #4. .
"An Apple paperback."
When a fight breaks out among the members of the Babysitters Club, timid Mary Anne finds herself becoming more assertive as a baby sitter and in her relationships with her father and friends.