The Question and Answer section for The Watsons Go to Birmingham - 1963 is a great resource to ask questions, find answers, and discuss the novel.
Momma and Daddy make Byron spend the night with him, so he will not have the opportunity to run away.
You need to be more specific about what thought you are referring to. My page numbers do not match yours.
Momma caught Byron making parachutes out of toilet paper and setting them on fire.