Good ol Ribsy's ever-curious mind has always gotten him into scrapes, but this time he may have gone too far. After a comical turn of events, Ribsy finds himself in the wrong station wagon with the wrong children. Ribsy will do anything to find Henry, but there's plenty of excitement to be had along the way and scoring a touchdown for a local high school team is only part of the fun!

Follows the adventures of nine-year-old Ramona at home with big sister Beezus and baby sister Roberta and at school in Mrs. Meacham's class.

Ramona's year in third grade is highlighted by the arrival of Howie's rich uncle, a change in her after-school situation, a surprise wedding, a death and a new arrival in the family, and her father's getting a job.