While trying out the spy glasses, spy hat, and other items in their new spy kit, seven-year-old Henry and his dog Mudge make a new friend and form a spy club.
Upon learning that their riding instructor is in serious financial trouble, three friends drum up new business for him and arrange a riding demonstration--starring themselves!.
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.
Since her parents' divorce, Dawn lives in Connecticut with her mother while her brother and father are in California, but after a week's vacation in sunny, healthy southern California, Dawn isn't sure she wants to return to the East Coast.
The members of the Baby-sitters Club think they can handle a young practical joker, but when one of her tricks causes Claudia to break her leg, the girls know they must teach their new charge a lesson.
The members of the Pee Wee Scouts are not thrilled when they learn that their next badge will be earned for reading books, but they discover that having their own library cards is a bigger responsbility than they had imagined and also a lot of fun.
Annoyed that Sister Bear always beats them at baseball and other "boy" type activities, her brother and the other male cubs try to exclude her from their new club.
