Elizabeth's mom is having a baby, and the whole family is involved. Elizabeth learns all about the baby's development, and she traces his growth, month by month. She learns how the baby got inside Mom, too. Finally the big day comes Mom and Dad head off to the hospital, and soon there's a brand-new little person in the family!

Discusses human life before birth and, hence, the reason for the bellybutton.

When fearful seven-year-old Alvin Ho learns that his mother is expecting a baby, he develops a sympathetic pregnancy--adding to his worry about the burglar who is targeting Concord, Massachusetts.

When Mama announces that she is going to have a baby, Sister Bear is curious about where the baby came from and how it is going to get out of Mama's body.

When Mama's pregnancy draws attention away from Gia, she worries that the special bond they share will disappear forever once the baby is born.