Jessi is looking forward to the coming Christmas and Kwanzaa celebrations with her extended family, but when her baby brother is hospitalized after an automobile accident, everything seems to fall apart.
Karen is going on a field trip to a museum in New York City. She is excited about seeing dinosaurs and her pen pal Maxie. When David Michael starts a fight, Karen worries that the trip will be ruined.
Someone is stealing equipment from Karen's softball team. Pages are missing from coach Kristy's notebook. Karen and her friends set out to find the culprit.
Karen and her friends go to farm camp, where she takes care of a little lamb. When she decides to enter him in the county fair, Tia, who lives on a farm, tells her she can't win, but Karen is determined to try anyway.
When someone breaks the rusty lock on Karen's new bike and steals it from the playground, it's up to her to find the thief before the town bike-a-thon.
Mary Anne gets a new haircut, some new clothes, and a little makeup. Now she can't wait for the Baby-sitters to see her. But the Baby-sitters can't believe what she has done, and that makes Mary Anne mad.
Mary Anne's father never talks about her mom, who died when she was a baby, so she goes up to the attic and looks for anything she can find that will tell her more about her mother.
