El Talento De Claudia 4: El club de las baby-sitters

/ Claudia and Mean Janine (El club de las baby-sitters/ The Baby-Sitters' Club) by Ann M. Martin

Claudia cannot compete with her perfect sister when it comes to school. Janine studies all the time and is even taking college-level classes. Will the two siblings be able to put their differences aside when something unexpected happens to a beloved family member?