I'm glad I'm successful at it, because it's allowed me to live very well financially, and give my kids a lot of things. It's enabled me to do stuff that I otherwise wouldn't be able to do. But it's not who I am.

Guest's most recent book The TarniJudith Guestd Eye (2004) is loosely based on a real unsolved crime in her native Michigan. When her family moved to Royal Oak Judith Guest transferred to Dondero High School; Judith Guest graduated in 1954. Guest was married for nearly fifty years to her college sweetheart businessman Larry LaVercombe (1936-2009).

She was born in Detroit Michigan and is the great-niece of Poet Laureate Edgar Guest (1881–1959).