Brother and Sister Bear don't realize the problems they will face when they agree to help Professor Actual Factual's super-smart nephew fit in at school.
When Brother's class studies birds, the citizens of Bear Country end up choosing sides in a battle between environmentalists and those who want to cut down the trees in Birder's Woods to build houses.
Sister Bear interviews her grandmother for a school assignment, Gran decides to enter her old vaudeville act in the school talent show, and Gramps moves into the gardening shed.
Bothered by the fact that boys and girls are treated differently in the extracurricular activities at Bear Country School, Queenie McBear decides to get some changes made.