In To Kill A Mockingbird-ch. 17, Why does Atticus ask Bob Ewell if he knows how to write? Also, what is he trying to prove?

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gkopf eNotes educator| Certified Educator

In Ch. 17, Atticus is trying to prove that Tom Robinson did not beat Mayella. Mayella and Bob are claiming that Tom Robinson beat and raped Mayella.  She says that she had bruising on the right side of her face, meaning her attacker would have to be left-handed.  

Atticus asks Bob to write his name.  Bob writes with his left hand, meaning he could have left the bruises on Mayella.  On the other hand, Tom Robinson is right handed, but not by choice; he cannot use his left hand at all because it was caught in a cotton gin and is now unusable.  

This evidence casts the shadow of a doubt on Bob and Mayella's testimony that Tom was the one who beat Mayella.  Atticus is trying to prove that Tom may be innocent.  He succeeds in causing the audience (both the jury and the reader) to doubt the Ewells' word.  This makes the eventual conviction that much more frustrating.  Despite these doubts, the jury still believes that Tom was guilty. This clearly illustrates the racism that pervades Maycomb.

"Atticus had used every tool available to free men to save Tom Robinson, but in the secret courts of men's hearts Atticus had no case. Tom was a dead man the minute Mayella Ewell opened her mouth and screamed." (Chapter 25)

gmuss25 eNotes educator| Certified Educator

Sheriff Tate is the first witness to take the stand and testifies that Mayella Ewell was beaten predominately on the right side of her face. The next witness to take the stand is Bob Ewell, who testifies that he saw Tom Robinson raping his daughter and immediately went to tell Sheriff Tate. When Atticus cross-examines Bob Ewell, he asks Bob if he concurs with Sheriff Tate's description of Mayella's injuries. After Bob says that he agrees with Sheriff Tate's description that Mayella was beaten on the right side of her face, Atticus makes him write his signature on the back of an envelope.

The reason Atticus makes Bob sign his name is to prove that he is left-handed. This information is significant because the location of Mayella's injuries indicate that she was assaulted by a person who led predominately with their left hand. Since Tom Robinson's left arm is crippled, one would assume that he was not capable of inflicting those injuries to the right side of Mayella's face. Essentially, Atticus is building his case to prove that Bob Ewell assaulted his daughter by having him write his signature in front of the jury.

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To Kill a Mockingbird

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