A dollhouse filled with a ghostly light in the middle of the night and dolls that have moved from where she last left them lead Amy and her mentally handicapped sister to unravel the mystery surrounding grisly murders that took place years ago.

Betty Ren Wright (1927–2013) was the distinguished author of many award-winning books for young readers, including Christina’s Ghost. In addition to her middle-grade mysteries, Wright also penned more than thirty-five picture books for children, including The Blizzard, which appeared on state award master lists and was a Bank Street Best Children’s Book of the Year. In 2006 she was honored as a Notable Wisconsin Children's Author by the Wisconsin Library Association.