Francess Lin Lantz (August 27, 1952 – November 22, 2004) was an American children's librarian turned fiction writer.

[1] Born in Trenton, New Jersey on August 27, 1952, Lantz was raised in Bucks County, Pennsylvania.

Stepsister from Planet Weird (Random House, 1996) was made into a Disney Channel television movie in 2000.

[5] Her books in the Luna Bay monthly series, featuring stories about tween girl surfers, were sponsored by Roxy, a clothing company in California in partnership with HarperCollins.

[8] Diagnosed with ovarian cancer circa 1999, she died at the age of fifty-two in Santa Barbara, California in 2004.