She wrote six books: Flowers in the Attic (1978), Petals on the Wind (1979), If There Be Thorns (1980), Seeds of Yesterday (1981), My Sweet Audrina (1981), Heaven (1984) and Dark Angel (1986).
Also wrote the novel "Gods of Green Mountain" in 1972, but wasn't published until 2004. The book has only been released as an e-book.