In chapter twenty-eight of To Kill a Mockingbird discuss the attack and the events that follow.
In Chapter 28, Jem and Scout are walking home by themselves following the Maycomb Halloween festival. It is a dark, ominous night, and the children hear the footsteps of someone approaching. Initially, the children believe that Cecil Jacobs is attempting to scare them but continue on their way. As the children are walking underneath the big oak tree in the Radley yard, Bob Ewell attacks them. Since Scout is wearing a cumbersome ham costume, she is unable to clearly see what is going on, making her account difficult to follow. When Jem yells for her to run, Bob shoves Scout to the ground and begins fighting Jem. Jem manages to get up and attempts to flee with Scout but is pulled backwards by Bob. Scout can hear her brother scuffling with Bob and recalls the crunching sound of Jem's arm breaking. Scout immediately runs towards her brother, but Bob grabs her and begins to squeeze. Suddenly, Bob is jerked backwards, and Scout can hear him violently coughing. When Scout looks up, someone is carrying Jem home. Scout follows the man and returns home after the attack. Scout learns that Boo Radley intervened in the attack, saved their lives, and carried Jem home. Scout finally gets to meet Boo Radley and walks him to his house. Scout reflects on Boo Radley's life while she is standing on his porch and views the neighborhood from his perspective for the first time.
The attack occurs after the pageant. It is extremely dark outside and the kids feel a little scared but think may be it is Cecil Jacobs who is trying to scare them. They feel as if they are being followed. Once under the coolness of the Radleys tree they can tell they are being followed. Then, because it is so dark, we have to rely on Scout's senses to tell us what happens. She feels her costume crunched on her, and then something frees her and she hears Jem's arm crunch. Then more of a scuffle ensues. Something defeats the attacker and she believes it is Jem. However, she sees a man later carrying Jem's body to the house, and finds an unconscious man who smells like whiskey under the tree. We learn that this man was Bob Ewell from Heck Tate at the end of the chapter and that there was a kitchen knife sticking up under his ribs. Boo Radley carried Jem to the safety of the Finches home.