When his best friend Annabella Pelican moves far away, Thomas Hippopotamus is very upset and angry, until he recaptures the warm memories of all the things they shared.
When Billy Broccoli moves into his new house, he discovers Hoover Porterhouse, a teenage ghost, is haunting his room. Hoover helps Billy get in style, stand up to bullies, and conquer his new school.
Jason is upset that he has to move for the third time in five years, but he gains comfort from his favorite tree and from the gift of a young tree that he can take with him to his new home.
Being in a new place for Halloween is bad enough, but when Mike has a cold and can't go out in his cat suit, none of the visitors can cheer him up until the last one, who is wearing the best cat suit of all.
Bored because there is nothing to do in the house to which his family has just moved and worried about starting third grade in a new school, Stuart makes a magical cape out of his uncle's ties and has a series of adventures.
When the housekeeper quits while their parents are doing research in the Brazilian jungle, two teenage sisters and their ten-year-old brother decide to live on their own in the family's unrenovated Brooklyn brownstone.