When his parents call off the family vacation and enroll their son in a creative writing class instead, twelve-year-old Steve comes up with a wacky moneymaking project.
A cat arrives at a shelter, arranges to go home with a good family, and settles in with them, all the while letting them know who is boss and, finally, sharing his real name.
Steve "Sneeze" Wyatt takes half of his classes at the high school, where he attracts the attention of a bully on the varsity golf team, while at middle school all of his friends seem to be falling in love--including Sneeze, himself.
Steve "Sneeze" Wyatt attempts to thwart his parents' plan to have him skip eighth grade, but he has bigger problems when his friends disapprove of his new list and Mrs. "Fierce" Pierce threatens to keep him from the Invention Convention.
Won Ton and his boy are enjoying a fine life until "Doom" arrives--a dog that is smelly and steals his dinner, but soon the disgruntled cat learns that his new family member might have some good points, too.