Seventh-grader Georges adjusts to moving from a house to an apartment, his father's efforts to start a new business, his mother's extra shifts as a nurse, being picked on at school, and Safer, a boy who wants his help spying on another resident of their building.
Eleven-year-old Samantha moves with her family into a luxury Manhattan apartment building in 1904 and soon becomes involved in investigating whether a series of mishaps is related to a curse on the building's owner.
Mr. MacDonald, an apartment super, turns his building into a four-story farm with hot and cold running sweet potato vines, ceiling carrots, carpets of cabbages, and other farm produce and animals, prompting all the tenants to move out.
When two pigeons that Sarah wants as pets move from her Chicago apartment's window ledge to the building next door, Sarah tries to figure out how to get them to come back.
Walter lives near the top floor of a tall apartment building, where one night his habit of jumping on his bed leads to a tumultous fall through floor after floor, collecting occupants all the way down.