"When Kristy Thomas has the great idea to form a baby-sitters club--a chance to earn money and spend time with her friends, all while doing something they each love to do--she has no idea how much the club will change everything. Crank calls, uncontrollable toddlers, wild pets, untruthful clients . . . running a business is hard work! Kristy and her co-founders, Mary Anne, Claudia, and Stacey, are sure they can handle anything. But only if they stick...

Accompanying the Pike family during a two-week vacation to the Jersey Shore, baby-sitter Stacey falls head over heels for a handsome lifeguard despite Mary Anne's warning that he is too old for her.

Dawn is sure there's a ghost in her house and so are the other baby-sitters. But they're so busy with their baby-sitting jobs that they hardly have time for a ghost hunt. Will the mystery ever be solved?

Each member of the Baby-sitters Club sponsors a different girl in the Little Miss Stoneybrook competition, as Dawn also tries to cope with the break-up of her family after her parents are divorced.

Eleven-year-old Jessi copes with pet sitting for the Mancusi family and serious dissension among the members of the Baby-sitters Club.

Kristy and the Baby-sitters Club plan a huge outing as a Mother's Day surprise for their clients, while Kristy's mother and stepfather have a surprise of their own in store for their family.

Dawn and Mary Anne are good friends, but when they become stepsisters, their relationship undergoes some changes.

Dawn starts getting threatening notes and odd phone calls while she is baby-sitting.

Mallory needs peace and quiet if she's going to win the Young Authors Day Award for Best Overall Fiction in the Sixth Grade, but the only way to get it is to stop babysitting.

New clients, the Lowell's, do not want Claudia for a baby-sitter. The BSC won't rest until they found out the reason why.