The Incredible Martin O'Shea by Don M. Winn can be used to teach that imagination is a wonderful gift if you use it freely...at the right times and in the right places, and that by paying attention in school, you can learn things that can help make your day dreams come true.
The Incredible Martin O'Shea is the story of a first-grader with a great imagination. He finds his daydreams so interesting that he doesn't pay attention in school. His grades fall, and his parents are not happy about it. Then a visitor to his class says something that changes his life. Martin learns that education can help him make his dreams reality, and that imagination plus learning can lead to real life adventures.