Twelve-year-old Gabby is recruited by a secret agency to take care of extraterrestrial children.

A discarded chain letter augers a series of bad events for Mary Anne, who is plagued by bad luck and a threatening note demanding a midnight meeting on Old Man Sutcliff's grave.

Attracted to shy Mary Anne, Logan asks to become a member of the Baby-Sitters Club and gets Mary Anne as his "checker" on his trial job, but Mary Anne is plagued by a series of embarassing episodes.

Kristy's family moves to a new neighborhood where the kids make fun of Louie, Kristy's pet collie, who's going blind. The Baby-sitters are not going to let them get away with it.

Karen and her friends start their own neighborhood newspaper, but they learn about ethics in journalism after printing secrets about their neighbors and upsetting everyone.

"Hugh's anger boiled as he hurried down the gravel road. He was angry at Darielle for breaking up with Smokey; he was angry at Smokey for not telling him, and for not having the sense to adjust their plans when his girlfriend backed out. Most of all, he was angry at Amy for making a fool of him by running away. Smokey intended to use his gun on Amy, and Hugh would not stop him. When it was time to collect the money and go, they would leave Amy behind--but...

Dervla is the least favorite babysitter in the neighborhood because she is mean, strict, and tells lies about the children but Becky stands up to her and uncovers Dervla's terrible secret.

Jack's new babysitter is awesome, but a bit crazy. Pizza for dinner, juggling lessons and sleeping outside with no tent! But will Jack let his worrying get in the way of having fun?

Dawn's a little jealous when there's a formal ceremony to welcome Jessi and Mallory into the Baby-sitters Club. Don't people know that Dawn's a special baby-sitter too? Then it's Dawn's turn to shine. Mrs. Pike wants Dawn to help prepare Margo and Claire for the Little Miss Stoneybrook contest. So what if Margo's only talent is peeling a banana with her feet? Dawn's going to help her charges win that contest any way she can. The only trouble is...Kristy,...

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.