Simply put, one of the greatest books ever written, featuring one of the most inspirational characters ever to be thought up by a human brain: Atticus Finch.
Many people have took up the law career because of this book.
Disagreeing with fuzzums and explaining the name of the book.
Harper Lee chose the name "To Kill a Mockingbird" for several reasons, as hinted in the story, Atticus telling Jem he can shoot all the blue jays he wants but never to kill a mocking bird "because they sing their hearts out for us"
Likewise, the death of Tom Robinson much resembled killing a mockingbird, he did nothing wrong, and only helped people.
To Kill a Mocking Bird is one of the greatest stories ever written.