Dee Pike, or Mrs. Pike, is Mallory Pike's mother. Mallory mentions that her mother is unemployed, saying that the kids are her job. Dee works at the library for low pay. Dee is very close to Maureen McGill.

Mrs. Pike is the mother of 8 children in the BSC series. Her kids are Mallory Pike (11), Byron Pike(10), Adam Pike(10),Jordan Pike(10),Vanessa Pike(9),Nicky Pike(8),Margo Pike(7),and Claire Pike(5). She is a regular client and appears or is mentioned in many books.