In his letters to his favorite author, ten-year-old Leigh reveals his problems in coping with his parents' divorce, being the new boy in school, and generally finding his own place in the world.
Henry Huggins picks up a stray dog, names him Ribsy and sets out on numerous adventures with him, including breeding hundreds of fish and collecting over a thousand worms.
Can it be that Henry is really interested in a girl ? Beezus, the girl, is such a sensible one, that Henry can't help but enjoy her company--especially when she helps him out of trouble.