Meet Kristy, Marry Anne, Claudia, and Stacey, best friends and founding members of The Baby-Sitters Club. Whatever comes up, whether it's cranky toddlers, huge dogs, scary neighbors, or crank calls. You can count on them to save the day. Baby-sitting isn't easy and neither is dealing with strict parents, new families, fashion emergencies, and mysterious secrets. But no matter what they're up ag…