What did jack ross read at the end of the trial?

At the end of the trial in "To Kill a Mockingbird," Atticus Finch reads a letter from Arthur "Boo" Radley to Scout. In the letter, Boo expresses his gratitude for Atticus and his protection of Scout and Jem, and he reflects on the events that have transpired in the neighborhood. It highlights Boo's kindness and his desire to connect with the children despite his reclusive nature.