Individually and with co-author/husband Evan, Ann Maxwell has written over 50 novels and one non-fiction book. There are 23 million copies of these books in print, as well as reprints in 21 foreign languages. The novels range from science fiction to historical fiction, from romance to mystery to suspense.

Writing as Ann Maxwell, she began her career in 1975 with a science fiction novel, Change. Since then, seven of her nine science fiction novels have been recommended for the Science Fiction Writers of America Nebula Award; A Dead God Dancing was nominated for what was then called TABA (The American Book Award). Pinnacle recently reissued five of these books.

In 1976 Ann and Evan (as A. E. Maxwell) collaborated with a Norwegian hunter and photographer, Ivar Ruud, on The Year-Long Day, a nonfiction work that was condensed in Reader's Digest and published in four foreign editions and three book club editions. In 1985, the first A. E. Maxwell crime novel featuring a couple called Fiddler and Fiora was published by Doubleday. The Frog and the Scorpion, received a creative writing award from the University of California. The fourth book in the series, Just Enough Light to Kill, was named by Time magazine as one of the best crime novels of 1988.