In the book, Maniac Magee, Jerry Spinelli uses descriptive details, and actions to develop the main character, Maniac Magee. Jerry Spinelli developed Maniac to seem to be a very helpful person in the book. When maniac was living with the beales and Jerry Spinelli made Maniac do this action, “He carried out the trash…” This action showed that Maniac was a helpful person because he was helping Mrs. beale around the house. The next action that Mr. Spinelli gave maniac that showed Maniac was a helpful person was, “ mowed the grass, cleaned up his own spills…” When Jerry Spinelli made maniac do this action Maniac could be put in the category of a helpful person. It showed this because maniac was helping out Mrs. Beale when they were in the house.