David Mortimore Baxter tells about his experiences rationalizing why he shouldn't do things such as homework, chores, and eating food he doesn't like, and shares some excuses that he has heard from adults.
Buster gives his mother several exaggerated excuses for being late for lunch. At intervals readers are given a variety of similar excuses from which to choose.
A young boy comes up with more and more outlandish things he needs to do as he begs over and over for just five more minutes before he has to go to bed.