12
"Jem and Scout meet Dill for the first time."
"Scout has a disastrous first day at school."
"Scout discovers foil-wrapped gum in the knot-hole."
"Jem ventures out at night to retrieve his pants."
"Nathan Radley fills the knot-hole with cement."
"Miss Maudie's house burns down."
"Atticus reveals hidden talents when he shoots a rabid dog."
"Jem is made to read to Mrs Dubose for five weeks."
"An angry mob is dispelled by Scout's words."
"Tom Robinson is convicted."
"Jem and Scout are attacked and Bob Ewell is killed."
"Scout escorts Boo Radley home."