Angel in Heavy Shoes by Lenora Mattingly Weber

Katie Rose finds that Rita Flood, whom she has never liked, is seeking her help to protect her youngest sibling, Lennie Flood from their eldest brother, Irv who will be returning home from reform school. Stacy and Bruce begin to have difficulty as Bruce is perplexed by Stacy's desire to associate with people who he considers to be lowlifes. Ben's personality begins to change as he becomes involved with a slinky carhop named Holly.