Consider other suspenseful novels about deception by women, such as The Secret History by Donna Tartt, The Talented Mr. Ripley by Patricia Highsmith, or We Were Liars by E. Lockhart.
Consider other books about dysfunctional marriages, such as the play Who's Afraid of Virginia Woolf? by Edward Albee or the novel The Awakening by Kate Chopin.
Consider Flynn's other works, Sharp Objects and Dark Places.