Hush Little Baby — Caroline B. Cooney

My ex-stepmother just handed me a baby, and she's driving away.

When Kit Innes's estranged ex-stepmother, Dusty, unexpectedly drives up and pushes a large cloth-covered parcel into her stepdaughter's arms, Kit doesn't know what to expect -- especially when the bundle turns out to be a tiny, adorable, baby boy.

Whose child is it? Where did Dusty go and when will she be back? Is the baby Kit's half-sibling? Before these questions can be answered, an angry, savage-looking man comes after the infant, pounding on Kit's door and peering into her windows. Enlisting the help of her maybe-boyfriend, Rowen, and his little sister, Muffin, Kit will risk everything to keep the anonymous boy -- and herself -- safe.